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All Warnings Solutions on Gang of Coders
Total of 123 Warnings Solutions
"Notice: Undefined variable", "Notice: Undefined index", "Warning: Undefined array key", and "Notice: Undefined offset" using PHP
Php
Arrays
Variables
Warnings
Undefined Index
PHP Warning Permission denied (13) on session_start()
Php
Session
Warnings
Treat all warnings as errors
C#
.Net
Tfs
Msbuild
Warnings
Singleton release method produces warning?
Objective C
Warnings
Why is it bad to use an iteration variable in a lambda expression
C#
vb.net
Lambda
Iteration
Warnings
Use new keyword if hiding was intended
C#
Inheritance
Warnings
New Operator
How to eliminate warning about ambiguity?
C#
Visual Studio-2010
Warnings
Compiler Warnings
Office Interop
What is the list of valid @SuppressWarnings warning names in Java?
Java
Eclipse
Warnings
Compiler Warnings
Suppress Warnings
Not targeting the latest versions of Android
Android
Styles
Themes
Warnings
Manifest
kotlin suppress warning deprecated for Android
Android
Warnings
Kotlin
"dereferencing type-punned pointer will break strict-aliasing rules" warning
C++
Warnings
Strict Aliasing
Reference - What does this error mean in PHP?
Php
Arrays
Debugging
Error Handling
Warnings
How do I best silence a warning about unused variables?
C++
Gcc
Warnings
Gcc Warning
Print only the message on warnings
Python
Warnings
Android Studio Warning: Using incompatible plugins for the annotation processing
Android
Android Studio
Warnings
Android build warning Mapping new ns to old ns
Android
Build
build.gradle
Warnings
How can I disable #pragma warnings?
C++
Warnings
Pragma
Apple Interface Builder warning: The content rectangle doesn't lie entirely on screen with the menu and may not be completely visible for all screens
Interface Builder
Warnings
Troubleshooting "The type parameter T is hiding the type T" warning
Java
Generics
Warnings
data binding - safeUnbox warning
Android
Data Binding
Android Gradle-Plugin
Warnings
Android Databinding
Identifiers for Delphi's $WARN compiler directive
Delphi
Warnings
How to deal with "exit-time destructor" warning in clang?
C++
C++11
Warnings
Clang
Destructor
How to find out where a Python Warning is from
Python
Debugging
Warnings
Pandas
Raise warning in Python without interrupting program
Python
Exception
Error Handling
Warnings
Remove warning messages in PHP
Php
Warnings
Error Reporting
Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
Visual Studio
Dll
Linker
Warnings
Msvcrt
Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root element)
Android
Android Layout
Warnings
Layout Inflater
'Missing contentDescription attribute on image' in XML
Android
Eclipse
Warnings
Accessibility
Android Imageview
How to turn on (literally) ALL of GCC's warnings?
C++
Gcc
Warnings
Compiler Warnings
Gcc Warning
Illegal string offset Warning PHP
Php
Warnings
How to ignore deprecation warnings in Python
Python
Warnings
Deprecated
Disable all gcc warnings
Gcc
G++
Warnings
How do I catch a numpy warning like it's an exception (not just for testing)?
Python
Exception
Numpy
Warnings
Divide by-Zero
libpng warning: iCCP: known incorrect sRGB profile
C++
Warnings
Sdl
Rgb
Libpng
How to find which promises are unhandled in Node.js UnhandledPromiseRejectionWarning?
node.js
Promise
Async Await
Warnings
Unhandled Exception
Is there a way to ignore a single FindBugs warning?
Java
Warnings
Findbugs
Suppress Warnings
How to suppress warnings globally in an R Script
R
Warnings
"No newline at end of file" compiler warning
C++
Compiler Construction
Warnings
C Preprocessor
Warning :-Presenting view controllers on detached view controllers is discouraged
Ios
Iphone
Cocoa Touch
Ios7
Warnings
Mockito: List Matchers with generics
Java
Generics
Warnings
Mockito
Matcher
warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
Ruby on-Rails
Macos
Permissions
Rubygems
Warnings
Visual Studio warning: "Some of the properties associated with the solution could not be read"
Visual Studio
Warnings
In Python, how does one catch warnings as if they were exceptions?
Python
Exception
Exception Handling
Warnings
How to suppress GCC warnings from library headers?
Gcc
Warnings
Suppress Warnings
Gcc Warning
Missing support for Firebase App Indexing (android lint)
Android Studio
Permissions
Android Manifest
Warnings
Android Lint
How do I fix "The expression of type List needs unchecked conversion...'?
Java
Warnings
Unchecked Conversion
In Xcode, how to suppress all warnings in specific source files?
Xcode
Warnings
How do I address unchecked cast warnings?
Java
Generics
Warnings
Warning message: In `...` : invalid factor level, NA generated
R
Warnings
R Faq
Suppressing deprecated warnings in Xcode
Iphone
Xcode
Macos
Warnings
Disable single warning error
C++
Visual C++
Warnings
Pragma
Visual C++: How to disable specific linker warnings?
Visual Studio
Visual C++
Linker
Warnings
Cgal
logging.info doesn't show up on console but warn and error do
Python
Logging
Warnings
Flags to enable thorough and verbose g++ warnings
C++
G++
Warnings
IntelliJ IDEA shows errors when using Spring's @Autowired annotation
Spring
Spring Mvc
Intellij Idea
Warnings
Intellij Inspections
Data truncated for column?
Mysql
Warnings
Twilio
warnings.warn() vs. logging.warning()
Python
Logging
Warnings
Warning about mutable default argument in PyCharm
Python
Pycharm
Warnings
Breaking loop when "warnings()" appear in R
R
Loops
Warnings
Break
MIME type warning in chrome for png images
Image
Png
Google Chrome
Mime
Warnings
relative path in require_once doesn't work
Php
Warnings
Fatal Error
Require Once
Why do I get a warning every time I use malloc?
C
Gcc
Malloc
Warnings
Sizeof
How to remove the Xcode warning Apple Mach-O Linker Warning 'Pointer not aligned at address
Ios
Xcode
Cocoapods
Warnings
Warning: "format not a string literal and no format arguments"
Objective C
Warnings
String Formatting
Nslog
Xcode warning: "Multiple build commands for output file"
Xcode
Build
Warnings
Warning on "diff.renamelimit variable" when doing git push
Git
Warnings
Push
Visual Studio warning level meanings?
C#
Visual Studio
Warnings
Compiler Warnings
Disable warning in IntelliJ for one line
Java
Intellij Idea
Warnings
Line
numpy division with RuntimeWarning: invalid value encountered in double_scalars
Python
Numpy
Warnings
Ignore Xcode warnings when using Cocoapods
Iphone
Xcode
Warnings
Cocoapods
How to resolve "Resource IDs will be non-final in Android Gradle Plugin version 5.0, avoid using them in switch case statements" warning?
Android
Warnings
'invalid value encountered in double_scalars' warning, possibly numpy
Python
Numpy
Warnings
Matplotlib
Java: Thread.currentThread().sleep(x) vs. Thread.sleep(x)
Java
Eclipse
Multithreading
Sleep
Warnings
How to use _CRT_SECURE_NO_WARNINGS
C++
Visual C++
Visual Studio-2012
Warnings
Showing all errors and warnings
Php
Debugging
Warnings
Xcode: "Scene is unreachable due to lack of entry points" but can't find it
Ios
Xcode
Storyboard
Warnings
Hide all warnings in ipython
Python
Warnings
Ipython
Headers and client library minor version mismatch
Php
Ubuntu
Mysqli
Warnings
What's the difference between logging.warn and logging.warning in Python?
Python
Logging
Warnings
mean, nanmean and warning: Mean of empty slice
Python
Numpy
Warnings
Get Traceback of warnings
Python
Warnings
Traceback
Disable warnings when loading non-well-formed HTML by DomDocument (PHP)
Php
Html
Warnings
Domdocument
iPhone OS Memory Warnings. What Do The Different Levels Mean?
Memory Management
Ipad
Warnings
c++ overloaded virtual function warning by clang?
C++
Warnings
Overloading
Virtual
Hidden
Auto fix TSLint Warnings
Angular
Typescript
Warnings
Tslint
What is the meaning of the type safety warning in certain Java generics casts?
Java
Generics
Warnings
Casting
Type Safety
How to test with Python's unittest that a warning has been thrown?
Python
Unit Testing
Exception Handling
Warnings
Is using #pragma warning push/pop the right way to temporarily alter warning level?
C++
Visual C++
Warnings
Compiler Warnings
Pragma
Selectively remove a warning message using GCC
Gcc
Warnings
How can I hide "defined but not used" warnings in GCC?
Gcc
Warnings
Compiler Warnings
Xcode 4 warning "Expression result unused” for NSURLConnection
Iphone
Objective C
Ios
Xcode
Warnings
Eliminating warnings from scikit-learn
Python
Scikit Learn
Warnings
How to disable unused code warnings in Rust?
Warnings
Compiler Warnings
Rust
Dead Code
React: validateDOMNesting: #text cannot appear as a child of <tr>
Reactjs
Warnings
Avoiding unused variables warnings when using assert() in a Release build
C++
Warnings
Assertions
"sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers" warning
Objective C
Nsstring
Warnings
Constants
Disable warning about detached HEAD
Git
Warnings
Detach
PHP - warning - Undefined property: stdClass - fix?
Php
Object
Warnings
Suppress Ruby warnings when running specs
Ruby on-Rails
Ruby
Rspec
Warnings
R: how to clear all warnings
R
Warnings
Xcode build warning - Target Integrity - Provisioning profile is expiring only for the ProjectnameTests Target
Xcode
Build
Warnings
Getting a warning when installing homebrew on MacOS Big Sur (M1 chip)
Installation
Homebrew
Warnings
C / C++ compiler warnings: do you clean up all your code to remove them or leave them in?
C++
C
Compiler Construction
Warnings
Turning HtmlUnit Warnings off
Warnings
Htmlunit
"Your project does not explicitly specify the CocoaPods master specs repo" warning when running pod install
Cocoapods
Warnings
Disable DTD warning for Ant scripts in Eclipse?
Eclipse
Ant
Warnings
Dtd
How can I handle the warning of file_get_contents() function in PHP?
Php
Function
Exception
Warnings
File Get-Contents
Warning: Found conflicts between different versions of the same dependent assembly
.Net
Warnings
How to fix Rails's warning messages with Ruby 2.7.0
Ruby on-Rails
Ruby
Warnings
Ruby on-Rails-6
Ruby 2.7
Class is a raw type. References to generic type Class<T> should be parameterized
Java
Generics
Warnings
Suppress Warnings
Type Erasure
Xcode warning "Property access results unused - getters should not be used for side effects"
Objective C
Xcode
Warnings
Virtual member call in a constructor
C#
Constructor
Warnings
Resharper
Virtual Functions
Exclude all permission denied messages from "du"
Linux
Shell
Warnings
Suppress Warnings
Du
XCode 6.3 Warning: synthesize property
Xcode
Dynamic
Warnings
iCloud and GEOResourceManifestServerRemoteProxy: Lost connection to geod warning
Iphone
Ios
Warnings
Icloud
Make javac treat warnings as errors
Java
Ant
Warnings
Javac
Why should I always enable compiler warnings?
C++
C
Warnings
Compiler Warnings
C++ Faq
What causes javac to issue the "uses unchecked or unsafe operations" warning
Java
Generics
Warnings
GCC 7, -Wimplicit-fallthrough warnings, and portable way to clear them?
C++
Gcc
Switch Statement
Warnings
PHP - cannot use a scalar as an array warning
Php
Arrays
Zend Framework
Warnings
Scalar
Portability of #warning preprocessor directive
C++
Compiler Construction
Warnings
C Preprocessor
Portability
Is there any way to show, or throw, a PHP warning?
Php
Warnings
Does python have a "use strict;" and "use warnings;" like in perl?
Python
Perl
Warnings
Strict