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What is the difference between typeof and instanceof and when should one be used vs. the other?
...; // true
typeof function() {} == 'function'; // true
Use instanceof for complex built in types:
/regularexpression/ instanceof RegExp; // true
typeof /regularexpression/; // object
[] instanceof Array; // true
typeof []; //object
{} instanceof Object; // true
typeof {}; // object
And the las...
Detect Windows version in .net
...uishing most Windows OS major releases, but not all. It consists of three components which map to the following Windows versions:
+------------------------------------------------------------------------------+
| | PlatformID | Major version | Minor version |
+-----...
unsigned int vs. size_t
...pe may be bigger than, equal to, or smaller than an unsigned int, and your compiler might make assumptions about it for optimization.
You may find more precise information in the C99 standard, section 7.17, a draft of which is available on the Internet in pdf format, or in the C11 standard, section...
What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
...columns fill equal width across the row.
Bootstrap 3
The Bootstrap 3 grid comes in 4 tiers (or "breakpoints")...
Extra small (for smartphones .col-xs-*)
Small (for tablets .col-sm-*)
Medium (for laptops .col-md-*)
Large (for laptops/desktops .col-lg-*).
These grid sizes enable you to control grid...
Examples of GoF Design Patterns in Java's core libraries
...LongBuffer, FloatBuffer and DoubleBuffer)
javax.swing.GroupLayout.Group#addComponent()
All implementations of java.lang.Appendable
java.util.stream.Stream.Builder
Factory method (recognizeable by creational methods returning an implementation of an abstract/interface type)
java.util.Calendar#getIn...
Firing a double click event from a WPF ListView item using MVVM
...nd is not a bad thing at all. Unfortunately, quite a lot people in the WPF community got this wrong.
MVVM is not a pattern to eliminate the code behind. It is to separate the view part (appearance, animations, etc.) from the logic part (workflow). Furthermore, you are able to unit test the logic pa...
What is the difference between char array and char pointer in C?
...ession of type char[] is provided where one of type char* is expected, the compiler automatically converts the array into a pointer to its first element.
Your example function printSomething expects a pointer, so if you try to pass an array to it like this:
char s[10] = "hello";
printSomething(s);...
How to prevent custom views from losing state across screen orientation changes
...ionInstance() for my main Activity to save and restore certain critical components across screen orientation changes.
9...
How do I use the nohup command without getting nohup.out?
I have a problem with the nohup command.
8 Answers
8
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How can I cast int to enum?
...rk if your code is obfuscated. At run time after obfuscation the string is compared to the enum names, and at this point the names of the enums aren't what you would expect them to be. Your parse will fail where they succeeded before as a result.
– jropella
Apr...