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Reference: What is variable scope, which variables are accessible from where and what are “undefined
...hat of superglobals, including the commonly used $_POST, $_GET, $_SESSION, etc. These variables are arrays that are always available, in any scope, without a global declaration.
For example, this function will print out the name of the user running the PHP script. The variable is available to the f...
Populate a Razor Section From a Partial
...the end which is generated at build time so that the browser is forced to fetch the latest version when a new version is deployed.
– Simon Green
Jun 12 '15 at 11:30
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Android search with Fragments
... have some management code, like for disabling the content, handling back, etc.
– AlikElzin-kilaka
May 2 '13 at 15:08
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Why are unsigned int's not CLS compliant?
...gned addition with overflow checking, and sign-agnostic addition mod 2^32, etc.; when asked to convert an object reference to a 32-bit integer primitive, the CLR neither knows nor cares whether the code using that number expects it to be signed or unsigned. Whether the compiler believes a number is...
Storing Data in MySQL as JSON
...s, however you will have design considerations such as searching, indexing etc.
The best way of doing this is to use hybrid data, for example if you need to search based upon datetime MySQL (performance tuned) is going to be a lot faster than PHP and for something like searching distance of venues ...
Android splash screen image sizes to fit all devices
...ndroid Developer Guide
Design images that have areas that can be safely stretched without compromising the end result
With this, Android will select the appropriate file for the device's image density, then it will stretch the image according to the 9-patch standard.
end of tl;dr. Full post ahead...
Find the Smallest Integer Not in a List
...y understood without the bit twiddling: "Create a Boolean array of size N" etc. Once you understand it that way, moving to a bitwise version is conceptually easy.
– Jon Skeet
Oct 19 '09 at 5:27
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Why is using a wild card with a Java import statement bad?
...tion can be solved by modern IDEs (hiding imports, refactoring class name, etc...).
– assylias
Feb 5 '13 at 8:10
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What makes Lisp macros so special?
...What this says is: Evaluate expr1, and, should it be true, evaluate expr2, etc.
Now try to make this && into a function... thats right, you can't. Calling something like:
and(expr1, expr2, expr3)
Will evaluate all three exprs before yielding an answer regardless of whether expr1 was fals...
Just what is an IntPtr exactly?
...Pointers are pointy things, and pointy things e.g. swords, axes, pointers, etc. should be handled with extra special care.
Pointers give the programmer tight control of a system. Therefore mistakes made are likely to have more serious consequences.
In order to use pointers, unsafe code has to be e...
