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What does “static” mean in C?
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A static variable inside a function keeps its value between invocations.
A static global variable or a function is "seen" only in the file it's declared in
(1) is the more foreign topic if you're a newbie, so here's an example:
#include <stdio.h>
void foo()...
C# DateTime.Now precision
I just ran into some unexpected behavior with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond incre...
How to debug a single thread in Visual Studio?
I have a solution with some projects. There are several break-points in different projects. I want to trace the first thread hit one of these break-points and continue tracing that single thread despite of other threads entering the same code-blocks.
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Django Template Variables and Javascript
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The {{variable}} is substituted directly into the HTML. Do a view source; it isn't a "variable" or anything like it. It's just rendered text.
Having said that, you can put this kind of substitution into your JavaScript.
<script type="text/javasc...
Overload with different return type in Java?
Why is it not possible to overload a function just by changing the return type? Will that change in a future version of Java?
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“Conversion to Dalvik format failed with error 1” on external JAR
...cts selected below » select your project and click OK. That should work.
It is also possible that you have a JAR file located somewhere in your project folders (I had copied the Admob JAR file into my src folder) and THEN added it as a Java Path Library. It does not show up under the Package Explo...
View's getWidth() and getHeight() returns 0
...at I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
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Why can't Python find shared objects that are in directories in sys.path?
...IBRARY_PATH. Check if your LD_LIBRARY_PATH includes /usr/local/lib, and if it doesn't, add it and try again.
Some more information (source):
In Linux, the environment variable
LD_LIBRARY_PATH is a colon-separated
set of directories where libraries
should be searched for first, before
th...
How can I send an inner to the bottom of its parent ?
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This is one way
<div style="position: relative;
width: 200px;
height: 150px;
border: 1px solid black;">
<div style="position: absolute;
bottom: 0;
width: 100%;
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Get last n lines of a file, similar to tail
I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom.
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