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opengl: glFlush() vs. glFinish()
...
Mind that these commands exist since the early days of OpenGL. glFlush ensures that previous OpenGL commands must complete in finite time (OpenGL 2.1 specs, page 245). If you draw directly to the front buffer, this shall ensure that the Open...
Why is creating a new process more expensive on Windows than Linux?
...al overhead imposed by parsing manifests, checking if the image requires a compatbility shim, checking whether software restriction policies apply, yada yada.
That said, I see the overall slowdown in the sum of all those little things that have to be done in addition to the raw creation of a proces...
How to concatenate two MP4 files using FFmpeg?
...uts).
ffmpeg -i opening.mkv -i episode.mkv -i ending.mkv \
-filter_complex "[0:v] [0:a] [1:v] [1:a] [2:v] [2:a]
concat=n=3:v=1:a=1 [v] [a]" \
-map "[v]" -map "[a]" output.mkv
Note that this method performs a re-encode.
2. concat demuxer
Use this method whe...
What does do?
... now the question really should be should you even consider using the X-UA-Compatible tag on your site? with the changes Microsoft has made to its browsers (more on those below).
Depending upon what Microsoft browsers you support you may not need to continue using the X-UA-Compatible tag. If you ne...
Autoincrement VersionCode with gradle extra properties
...at there are any number of possible solutions; here is one:
android {
compileSdkVersion 18
buildToolsVersion "18.1.0"
def versionPropsFile = file('version.properties')
if (versionPropsFile.canRead()) {
def Properties versionProps = new Properties()
versionProps.lo...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
... for multiple queries your overall execution may be slower.
As a final recommendation, I think with older versions of MySQL+PHP, you should emulate prepared statements, but with your very recent versions you should turn emulation off.
After writing a few apps that use PDO, I've made a PDO connect...
How to send data to local clipboard from a remote SSH session
...local clipboard, using only the keyboard.
The essence of the solution:
commandThatMakesOutput | ssh desktop pbcopy
When run in an ssh session to a remote computer, this command takes the output of commandThatMakesOutput (e.g. ls, pwd) and pipes the output to the clipboard of the local computer...
What is the difference between statically typed and dynamically typed languages?
...ages
A language is statically typed if the type of a variable is known at compile time. For some languages this means that you as the programmer must specify what type each variable is (e.g.: Java, C, C++); other languages offer some form of type inference, the capability of the type system to dedu...
How many bytes does one Unicode character take?
...ed with usually a character. I say usually because there are concepts like combining characters. You may be familiar with things like accents, or umlauts. Those can be used with another character, such as an a or a u to create a new logical character. A character therefore can consist of 1 or more c...
Spring Boot application as a Service
...ion packaged as executable jar as a Service in the Linux system? Is this recommended approach, or should I convert this app to war and install it into Tomcat?
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