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ETag vs Header Expires
...d around but haven't been able to figure out if I should use both an ETag and an Expires Header or one or the other.
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Center a position:fixed element
...a position: fixed; popup box centered to the screen with a dynamic width and height. I used margin: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally.
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System.Timers.Timer vs System.Threading.Timer
I have been checking out some of the possible timers lately, and System.Threading.Timer and System.Timers.Timer are the ones that look needful to me (since they support thread pooling).
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How to calculate the angle between a line and the horizontal axis?
...on, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis?
9 Answers
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Runtime vs. Compile time
What is the difference between run-time and compile-time?
28 Answers
28
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In C++, what is a virtual base class?
I want to know what a " virtual base class " is and what it means.
11 Answers
11
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What are the differences and similarities between ffmpeg, libav, and avconv?
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Confusing messages
These messages are rather misleading and understandably a source of confusion. Older Ubuntu versions used Libav which is a fork of the FFmpeg project. FFmpeg returned in Ubuntu 15.04 "Vivid Vervet".
The fork was basically a non-amicable result of conflicting pe...
What does “to stub” mean in programming?
...y:
It is an object in your system that your code
under test interacts with and over which you have no control. (Common
examples are filesystems, threads, memory, time, and so on.)
Forexample in below code:
public void Analyze(string filename)
{
if(filename.Length<8)
{
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How to install 2 Anacondas (Python 2 and 3) on Mac OS
I'm relatively new in Mac OS. I've just installed XCode (for c++ compiler) and Anaconda with the latest Python 3 (for myself). Now I'm wondering how to install properly second Anaconda (for work) with Python 2?
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What does this symbol mean in JavaScript?
This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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