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How to use SQL Order By statement to sort results case insensitive?
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@Vincy: I don't see what's so weird about case-sensitive string comparison. That's how the <, ==, etc. operators work by default in every programming language that I'm familiar with.
– dan04
Feb 13 '18 at 17:31
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How do I calculate a point on a circle’s circumference?
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@Dean No need for extra brackets because of the operator precedence. When you have + and * like in those two equations and without any brackets you always go for the * first and then for the +.
– rbaleksandar
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Running multiple commands with xargs
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If you're including the % character somewhere in your string passed to sh -c, then this is prone to security vulnerabilities: A filename containing $(rm -rf ~)'$(rm -rf ~)' (and that's a perfectly legal substring to have within a filename on common UNIX filesystems!) will cause ...
Multiprocessing vs Threading Python [duplicate]
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There is actually a good deal of difference: eli.thegreenplace.net/2012/01/16/…
– Andrew Sledge
May 29 '13 at 11:36
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Reference - What does this error mean in PHP?
...m. (Note: You might have multiple blocks if you had code that was automatically constructed)
Also make sure you don't have any Byte Order Marks in your code, for example when the encoding of the script is UTF-8 with BOM.
Related Questions:
Headers already sent by PHP
All PHP "Headers already sen...
Python threading.timer - repeat function every 'n' seconds
... not self.stopped.wait(0.5):
print("my thread")
# call a function
In the code that started the timer, you can then set the stopped event to stop the timer.
stopFlag = Event()
thread = MyThread(stopFlag)
thread.start()
# this will stop the timer
stopFlag.set()
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How to detect the current OS from Gradle
...ncl. FreeBSD and Solaris).
import org.gradle.internal.os.OperatingSystem
String osName = OperatingSystem.current().getName();
String osVersion = OperatingSystem.current().getVersion();
println "*** $osName $osVersion was detected."
if (OperatingSystem.current().isLinux()) {
// Consider Linux....
Adding external library into Qt Creator project
... this is like this:
LIBS += -L/path/to -lpsapi
This way it will work on all platforms supported by Qt. The idea is that you have to separate the directory from the library name (without the extension and without any 'lib' prefix). Of course, if you are including a Windows specific lib, this reall...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...sk the Java Runtime:
public class MaxMemory {
public static void main(String[] args) {
Runtime rt = Runtime.getRuntime();
long totalMem = rt.totalMemory();
long maxMem = rt.maxMemory();
long freeMem = rt.freeMemory();
double megs = 1048576.0;
Sys...
What do the terms “CPU bound” and “I/O bound” mean?
...U (doing calculations). A program that computes new digits of π will typically be CPU-bound, it's just crunching numbers.
A program is I/O bound if it would go faster if the I/O subsystem was faster. Which exact I/O system is meant can vary; I typically associate it with disk, but of course networ...