There are several non-Gregorian calendar classes derived from `System.Globalization.Calendar` within the Globalization namespace (i.e. [`JapaneseCalendar`][1]). You should be able to implement your own. I&#39;d whip up a sample, but there are 16 abstract methods in the Calendar class...

You might even be able to simply derive your class from `GregorianCalendar` and just override the [`GetMilliseconds(DateTime)`][2] method, returning the base&#39;s return value multiplied by `1.027d`.


  [1]: http://msdn.microsoft.com/en-us/library/system.globalization.japanesecalendar%28v=vs.110%29.aspx
  [2]: http://msdn.microsoft.com/en-us/library/system.globalization.calendar.getmilliseconds%28v=vs.110%29.aspx

I try to `commit` like this:

```lang-shell
git commit --author=&#39;Paul Draper &lt;my@email.org&gt;&#39; -m &#39;My commit message&#39;
```

but I get:

```lang-shell
*** Please tell me who you are.

Run

git config --global user.email &quot;you@example.com&quot;
git config --global user.name &quot;Your Name&quot;

to set your account&#39;s default identity.
Omit --global to set the identity only in this repository.
```

I can set these, but I am on a shared box, and I would have to (want to) unset them afterwards:

```lang-shell
git config user.name &#39;Paul Draper&#39;
git config user.email &#39;my@email.org&#39;
git commit -m &#39;My commit message&#39;
git config --unset user.name
git config --unset user.email
```

That&#39;s a lot of lines for one `commit`!

Is there shorter way?


Commit Without Setting User Name and Email

My code looks like this:

    def storescores():

       hs = open(&quot;hst.txt&quot;,&quot;a&quot;)
       hs.write(name)
       hs.close() 

so if I run it and enter &quot;Ryan&quot;
then run it again and enter &quot;Bob&quot;
the file hst.txt looks like 

    RyanBob 

instead of

    Ryan
    Bob

How do I fix this?

How to append new data onto a new line

As I was looking into solutions for another question, I found myself wondering whether it was possible to use .NET&#39;s [`Calendar`](http://msdn.microsoft.com/en-us/library/system.globalization.calendar%28v=vs.110%29.aspx) class to implement a calendar that wasn&#39;t based on Earthly conventions.

For instance, [Mars&#39; day](http://en.wikipedia.org/wiki/Timekeeping_on_Mars) is about 2.7% longer than a day here on Earth:
&gt; A convention used by spacecraft lander projects to date has been to keep track of local solar time using a 24 hour &quot;Mars clock&quot; on which the hours, minutes and seconds are 2.7% longer than their standard (Earth) durations.

Is there any good way to implement a `MarsCalendar` such that the length of a second is different from the standard `GregorianCalendar`, and thus be able to use `DateTime` objects based on it for all the standard `AddDays()`, `AddHours()`, etc. functions?  &lt;sub&gt;(Note: Ideally, a solution - if one exists - would be applicable to any form of planetary object for which it is possible to define both &quot;1 day&quot; and &quot;1 year&quot; of consistent lengths. Mars makes for a great example, though)&lt;/sub&gt;

Implementing a non-terrestrial calendar

As I was looking into solutions for another question, I found myself wondering whether it was possible to use .NET's <a href="http://msdn.microsoft.com/en-us/library/system.globalization.calendar%28v=vs.110%29.aspx" target="_blank" rel="noopener noreferrer"><code>Calendar</code></a> class to implement a calendar that wasn't based on Earthly conventions.
For instance, <a href="http://en.wikipedia.org/wiki/Timekeeping_on_Mars" target="_blank" rel="noopener noreferrer">Mars' day</a> is about 2.7% longer than a day here on Earth:
> A convention used by spacecraft lander projects to date has been to keep track of local solar time using a 24 hour "Mars clock" on which the hours, minutes and seconds are 2.7% longer than their standard (Earth) durations.
Is there any good way to implement a <code>MarsCalendar</code> such that the length of a second is different from the standard <code>GregorianCalendar</code>, and thus be able to use <code>DateTime</code> objects based on it for all the standard <code>AddDays()</code>, <code>AddHours()</code>, etc. functions? (Note: Ideally, a solution - if one exists - would be applicable to any form of planetary object for which it is possible to define both "1 day" and "1 year" of consistent lengths. Mars makes for a great example, though)

I have query regarding File.ReadLines() and File.ReadAllLines().what is difference between 
them. i have text file where it contains data in row-wise.`File.ReadAllLines()` return array and using `File.ReadLines().ToArray();` will also i can get same result.So is there any performance difference related to these methods?

 

    string[] lines = File.ReadLines(&quot;C:\\mytxt.txt&quot;).ToArray();

Or

    string[] lines = File.ReadAllLines(&quot;C:\\mytxt.txt&quot;);

What is the difference between File.ReadLines() and File.ReadAllLines()?

I am developing an application which will send emails using C#. The app will be able to use templates for mail, among other things. The problem is I&#39;m having trouble finding any Office.Interop references, which means I cannot work with Outlook. 

Office is installed on my computer, but I&#39;ve also tried to install the PIA from this link http://www.microsoft.com/en-us/download/details.aspx?id=3508. Unfortunately, this didn&#39;t change anything: When I launch the MSI it stops without a word, and I don&#39;t know if that is part of the problem.

Cannot find Microsoft.Office.Interop Visual Studio

I often need to extend my Domain model with additional info before returning it to the client with WebAPI. To avoid creation of ViewModel I thought I could return JObject with additional properties. I could not however find direct way to convert object of any type to JObject with single call to Newtonsoft JSON library. I came up with something like this:

 1. first SerializeObject
 2. then Parse
 3. and extend JObject

Eg.:
 

    var cycles = cycleSource.AllCycles();

    var settings = new JsonSerializerSettings
    {
        ContractResolver = new CamelCasePropertyNamesContractResolver()
    };

    var vm = new JArray();

    foreach (var cycle in cycles)
    {
        var cycleJson = JObject.Parse(JsonConvert.SerializeObject(cycle, settings));
        // extend cycleJson ......
        vm.Add(cycleJson);
    }

    return vm;

I this correct way ? 

Convert object of any type to JObject with Json.NET

I&#39;ve seen this a couple of times recently in *high profile* code, where constant values are defined as variables, named after the value, then used only once. I wondered why it gets done?

E.g. Linux Source (resize.c)

    unsigned five = 5;
    unsigned seven = 7;

E.g. C#.NET Source (Quaternion.cs)

    double zero = 0;
    double one = 1;



Named numbers as variables

Does anyone know if there is any difference between doing `Task.Factory.StartNew` vs `new Task` followed by calling `Start` on the task. Looking at reflector there doesn&#39;t seem to be much difference. So perhaps the only difference is that `Task.Factory.StartNew`returns a task that is already started. Is this correct?

I know that `Task.Factory.StartNew`and `Task.Run` have different default options and `Task.Run` is the preferred option for .Net 4.5.

Task.Factory.StartNew vs new Task

We are developing a Web API RESTful service to provide access to common data to all the applications of our enterprise. To help we will also publish a Client API that encapsulate all the HttpClient details and provides a strongly-typed access to the data.

Our goal is to start small and progressively add features, while still keeping backwards compatibility with already deployed versions of the client API (compatibility with the clients of the same Major version)

While talking about the design, our team just had a very long discussion about **whether or not we should share types between the server and the client** (for instance via versionned NuGet packages that both server and client would depend on), and ended up with pros and cons ...  and we do not manage to decide one way or another.

Sharing types (shared assembly) between client and server
---------------------------------------------------------
**Pros**

 - Client model and Server model are always up to date
 - no serializing/deserializing problems because same types are serialized/deserialized
 - no duplication

**Cons**

 - need to find a way to share the types between server and client
 - non semantic modifications can break existing client applications (changing the name of a class or its namespace in the server model) even though it has no impact on the serialized json and should therefore have no impact
 - risk of breaking the clint without realizing

Separate (but structurally equivalent) types for client and server
------------------------------------------------------------------
**Pros**

 - client &quot;model&quot; is less coupled to the server implementation (just a mirror of the Json output by the server, but no hard &quot;same type&quot; relationship)
 - server model can evolve without risk of breaking any client
 - enable to enhance the client-side model independently from the server model
 - the client model is part of the client package, no &quot;shared package&quot; to maintain between server and client

**Cons**

 - duplication between server code and client code
 - error-prone task of keeping server-side and client-side structure in sync


There seems to be a 50/50 preference for each solution in our team.

I personally have a preference for the second option, because I believe RESt is all about decoupling, and decoupling means the client should not care about how the server side is implemented (which types, or whether it is a .NET app anyway) but wish we could get rid of the possible duplication, maybe thanks to code generation or something like that, but could not find any guidance on the subject

**Are there other pros and cons to sharing types between client and server ?** 

If we do not share them, **are there ways to lower the maintenance costs** when trying to keep **client model and server model in sync** ?


Should I share types between a Web API service and its client ? What are the other options?

How can I configure serialization of my Web API to use `camelCase` (starting from lowercase letter) property names instead of `PascalCase` like it is in C#.

Can I do it globally for the whole project?


Web API serialize properties starting from lowercase letter

I read Jon Skeet&#39;s quiz and I wondered why the second sample of mine won&#39;t work while the first one does. 

Why does this yield `true` : 

    object x = new string(&quot;&quot;.ToArray());
    object y = new string(&quot;&quot;.ToArray());
    Console.WriteLine(x == y); //true


But this one does not: 

    var k=&quot;k&quot;;
    //string.intern(k); // doesn&#39;t help
    object x = new string(k.ToArray());
    object y = new string(k.ToArray());
    Console.WriteLine(x == y); //false

*I&#39;m using  fw 4.5 with vs2010.*

Luckily I also have vs2005 installed , same results : 

![enter image description here][1]


  [1]: http://i.stack.imgur.com/Z0r3l.jpg

Empty string as a special case?

I have a Pandas `DataFrame` indexed by date. There a number of columns but many columns are only populated for part of the time series. I&#39;d like to find where the first and last values non-`NaN` values are located so that I can extracts the dates and see how long the time series is for a particular column.

Could somebody point me in the right direction as to how I could go about doing something like this? Thanks in advance.

Locate first and last non NaN values in a Pandas DataFrame

Java 8 added a new [*java.time*][1] API for working with dates and times ([JSR 310][2]).

I have date and time as string (e.g. `&quot;2014-04-08 12:30&quot;`). How can I obtain a [`LocalDateTime`][3] instance from the given string?

After I finished working with the `LocalDateTime` object: How can I then convert the `LocalDateTime` instance back to a string with the same format as shown above?


  [1]: https://docs.oracle.com/javase/8/docs/api/java/time/package-summary.html
  [2]: https://jcp.org/en/jsr/detail?id=310
  [3]: https://docs.oracle.com/javase/8/docs/api/java/time/LocalDateTime.html

How to parse/format dates with LocalDateTime? (Java 8)

I have a table TEST with a `DATETIME` field, like this:

```lang-none
ID NAME DATE
1 TESTING 2014-03-19 20:05:20.000
```

What I need a query returning this row and every row with date 03/19/2014, no matter what the time is. I tried using

```lang-sql
select * from test where date = &#39;03/19/2014&#39;;
```

But it returns no rows. The only way to make it work that I found is to also provide the time portion of the date:

```lang-sql
select * from test where date = &#39;03/19/2014 20:03:02.000&#39;;
```

How to query DATETIME field using only date in Microsoft SQL Server?

I&#39;m trying to pass a UTC date as a query string parameter to a Web API method. The URL looks like 

    /api/order?endDate=2014-04-01T00:00:00Z&amp;zoneId=4

The signature of the method looks like

    [HttpGet]
    public object Index(int zoneId, DateTime? endDate = null)

The date is coming in as `31/03/2014 8:00:00 PM` but I&#39;d like it to come in as `01/04/2014 12:00:00 AM`

My `JsonFormatter.SerializerSettings` looks like this

    new JsonSerializerSettings
    {
        ContractResolver = new CamelCasePropertyNamesContractResolver(),
        DateTimeZoneHandling = DateTimeZoneHandling.Utc,
        DateFormatHandling = DateFormatHandling.IsoDateFormat
    };

EDIT #1:
I&#39;ve noticed when I POST `2014-04-01T00:00:00Z` it will serialize to the UTC DateTime kind in C#. However I&#39;ve found a work around of doing `endDate.Value.ToUniversalTime()` to convert it although I find it odd how it works for a POST but not a GET.

Passing UTC DateTime to Web API HttpGet Method results in local time

I&#39;m using moment.js to format my date time, here I have two date values, and I want to achieve a particular function when one date is greater than the other. I read most of their docs, but didn&#39;t find the function to achieve this. I know it will be there. 

This is my code:

    var date_time = 2013-03-24 + &#39;T&#39; + 10:15:20:12 + &#39;Z&#39;
    var d = moment(date_time).tz(&#39;UTC&#39;); // first date 

    var now = new Date(),
        dnow = moment(now).tz(&#39;UTC&#39;),
        snow = dnow.minute() % 15,
        diffnow = 15 - snow,
        tonow = moment(dnow).add(&#39;minute&#39;, diffnow),
        ahead30now = moment(tonow).add(&#39;minute&#39;, 30);

    if (d &gt; ahead30now) {
        // allow input time
        console.log(&#39;UTC TIME DB&#39;, d.format());
    } else {
        
    }


**Edit** 
     
    var date_time = req.body.date + &#39;T&#39; + req.body.time + req.body.timezone; // 2014-03-24T01:15:000
    var utc_input_time = moment(date_time).utc(); // 2014-03-24T01:15:000
    console.log(&#39;utc converted date_time&#39;, moment(date_time).utc().format(&quot;YYYY-MM-DDTHH:mm:SSS&quot;));
    var isafter = moment(utc_input_time).isAfter(moment(&#39;2014-03-24T01:14:000&#39;)); // true
    if(isafter === true){
        console.log(&#39;is after true&#39;);
    } else {
        console.log(&#39;is after is false&#39;);
    }
Here, I am comparing two dates i.e. `2014-03-24T01:15:000 &gt; 2014-03-24T01:14:000`, expecting that the first one is greater than the second one, but it always goes to the else condition. I don&#39;t know why?

Moment js date time comparison

We can use this [link][1] to `add a new event` to `Google Calendar` by `parameters`

    https://www.google.com/calendar/render?
    action=TEMPLATE&amp;
    text=EventName&amp;
    dates=20131206T050000Z/20131208T060000Z
    &amp;location=EventLocation&amp;
    sprop=name:Name&amp;
    sprop=website:EventWebite&amp;
    details=EventDetail&amp;
    sf=true&amp;
    output=xml


But I can&#39;t find any documentation about these parameters.

Does anyone know where&#39;s it?

  [1]: https://www.google.com/calendar/render?action=TEMPLATE&amp;text=EventName&amp;dates=20131206T050000Z/20131208T060000Z&amp;location=EventLocation&amp;sprop=name:Name&amp;sprop=website:EventWebite&amp;details=EventDetail&amp;sf=true&amp;output=xml

What parameters are required to create an &quot;Add to Google Calendar&quot; link?

I want to compare two dates for my Android application, but I got a really weird issue.

For example:

If I set the `back in the past` date to 127 days ago:

    this.dateEvent = System.currentTimeMillis() - (127 * 24 * 3600 * 1000)

And then compare it to the current date (Days between)

		Calendar sDate = getDatePart(new Date(this.dateEvent));
		Calendar eDate = getDatePart(new Date(System.currentTimeMillis()));
		
		int daysBetween = 0;
		while (sDate.before(eDate))
		{
			sDate.add(Calendar.DAY_OF_MONTH, 1);
			daysBetween ++;
		}
		
		while (sDate.after(eDate))
		{
			eDate.add(Calendar.DAY_OF_MONTH, 1);
			daysBetween ++;
		}
		
		return daysBetween;

It will return 22 which is not at all what was expected.

Did I make something wrong or is that an issue with the `Calendar` class ?

Android Days between two dates

I&#39;m developing a Java App and I have a `timeStamp` (in `long`). I can easily use this code to change it to a Gregorian date:

    Calendar calendar = Calendar.getInstance();
    calendar.setTimeInMillis(timeStamp);
But I need to have the date in Jalali Calendar. I searched but didn&#39;t found any good library. Do you know a reliable and good library for converting (or creating dates in Jalali format from `timeStamp`)? I don&#39;t need an implementation or an algorithm, cause this issue is too buggy and has a lot of rules, I need a reliable solution

A good date converter for Jalali Calendar in Java?

I&#39;m using jquery and moment.js for a custom calendar.

I have a date object in a variable `myDate` like : 

     Object { date=&quot;2014-12-23 14:00:00&quot;, timezone_type=3, timezone=&quot;Europe/Paris&quot;}

I want, using moment.js (or not) get the day name of this date, in my example i need to get : `tuesday`

Ideas ? Thanks


Moment.js get day name from date

I&#39;m trying to setup a Push Notifications for Google Calendar using PHP and V3 api.

I&#39;ve got the Auth2.0 Permission and I&#39;m able to create events on google from my application. Now I want to know when a user makes any change on google calendar (CRUD Operations).

This is my code:

    private $imageService;
    public $google_client;
    public $google_calendar;

    public function __construct()
    {
        $this-&gt;imageService = new ImageService();
        $this-&gt;google_client = new Google_Client();
        $this-&gt;google_client-&gt;setApplicationName($_ENV[&#39;GOOGLE_APP_NAME&#39;]);
        $this-&gt;google_client-&gt;setDeveloperKey($_ENV[&#39;GOOGLE_API_KEY&#39;]);
        $this-&gt;google_client-&gt;setClientId($_ENV[&#39;CLIENT_ID&#39;]);
        $this-&gt;google_client-&gt;setClientSecret($_ENV[&#39;CLIENT_SECRET&#39;]);
        $this-&gt;google_client-&gt;setAccessType(&#39;offline&#39;);
        $this-&gt;google_client-&gt;setIncludeGrantedScopes(true);
        $this-&gt;google_client-&gt;setScopes(array(&#39;email&#39;, &#39;profile&#39;, &#39;https://www.googleapis.com/auth/plus.me&#39;, &#39;https://www.googleapis.com/auth/calendar&#39;));
        $this-&gt;google_calendar = new Google_Service_Calendar($this-&gt;google_client);

    }

     public function googleCalendarWatch($uuid){

        $channel =  new Google_Service_Calendar_Channel($this-&gt;google_client);
        $channel-&gt;setId($uuid);
        $channel-&gt;setType(&#39;web_hook&#39;);
        $channel-&gt;setAddress(&quot;https://example.com/google/googleNotifications&quot;);
        $channel-&gt;setExpiration(&quot;1919995862000&quot;);
        $this-&gt;google_calendar-&gt;events-&gt;watch(&#39;primary&#39;, $channel);

    }

And this is the output:

    Google_Service_Calendar_Channel Object (
        [internal_gapi_mappings:protected] =&gt; Array ( ) 
        [address] =&gt; 
        [expiration] =&gt; 1426272395000 
        [id] =&gt; aee2b430-34bf-42bc-a597-ada46db42799 
        [kind] =&gt; api#channel 
        [params] =&gt; 
        [payload] =&gt; 
        [resourceId] =&gt; 51IKGpOwCJ6EMraQMUc1_04MODk 
        [resourceUri] =&gt; https://www.googleapis.com/calendar/v3/calendars/primary/events?key=AIzaSyBFUvq3OZO6ugAKvz7l8NgLS0V6DUJq8Vc&amp;alt=json 
        [token] =&gt; 
        [type] =&gt; 
        [modelData:protected] =&gt; Array ( ) 
        [processed:protected] =&gt; Array ( ) )

This far I don&#39;t know why address returns null, maybe that&#39;s the problem. But I don&#39;t know how to fix it.

Also reading this: [#26730263][1] and looking my own code there&#39;s no much difference. 


I did all the stuff that google says, Register domain, add credentials, api key, push domain allowed and all..

  [1]: https://stackoverflow.com/questions/26730263/how-to-get-event-details-from-google-calendar

Content Type	Original Author	Original Content on Stackoverflow
Question	Bobson	View Question on Stackoverflow
Solution 1 - C#	Michael Hoffmann	View Answer on Stackoverflow

Implementing a non-terrestrial calendar

C# Problem Overview

C# Solutions

Solution 1 - C#

How to append new data onto a new line

Commit Without Setting User Name and Email

Attributions