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What happens to a declared, uninitialized variable in C? Does it have a value?
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Static variables (file scope and function static) are initialized to zero:
int x; // zero
int y = 0; // also zero
void foo() {
static int x; // also zero
}
Non-static variables (local variables) are indeterminate. Reading them prior to assigning a ...
How to use XPath contains() here?
... at the other contains() examples around here, but nothing that uses an AND operator. I can't get this to work:
5 Answe...
How to pass argument to Makefile from command line?
How to pass argument to Makefile from command line?
4 Answers
4
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Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
...ates a new project, that dialog lets you point
to some external .PNG file, and then when that dialog completes,
it generates 4 different pixel-sizes of images for use as
a launcher-icon.
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How do I move to end of line in Vim?
I know how to generally move around in command mode, specifically, jumping to lines, etc. But what is the command to jump to the end of the line that I am currently on?
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Array.Add vs +=
...ment creates a new array with the same elements as old one + the new item, and this new larger array replaces the old one in the $array-variable
You can use the += operator to add an element to an array. When you
use
it, Windows PowerShell actually creates a new array with the values of...
Await on a completed task same as task.Result?
I'm currently reading " Concurrency in C# Cookbook " by Stephen Cleary, and I noticed the following technique:
2 Answers
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Which access modifiers are implied when not specified?
...oncepts that support access modifiers, such as fields, properties, methods and classes, which access modifiers are implied if not specified?
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Pandas - How to flatten a hierarchical index in columns
... answered Jan 24 '13 at 18:37
Andy HaydenAndy Hayden
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How do I get rid of this unwanted bar from Eclipse?
...ar right. It looks like a little C with a green circle, a black triangle, and some small blue thing in the back. Find that button on your eclipse toolbar and click it to show/hide breadcrumbs.
If you don't see it, let me know, and I can try to figure out which toolbar it is a part of.
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