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How can I reverse a list in Python?
How can I do the following in Python?
35 Answers
35
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How do I get the coordinates of a mouse click on a canvas element?
...t are not necessary anymore, as the clientX and clientY properties work in all current browsers. You might want to check out Patriques Answer for a simpler, more recent solution.
Original Answer:
As described in an article i found back then but exists no longer:
var x;
var y;
if (e.pageX || e.page...
What techniques can be used to speed up C++ compilation times?
...is over. On some compilers, such as GCC, this might ICE (Internal Compiler Error) your compiler for lack of memory. So don't use this technique unless you know all the pros and cons.
Precompiled headers
Precompiled headers (PCHs) can save you a lot of time in compilation by compiling your header fil...
Using querySelectorAll to retrieve direct children
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Good question. At the time it was asked, a universally-implemented way to do "combinator rooted queries" (as John Resig called them) did not exist.
Now the :scope pseudo-class has been introduced. It is not supported on [pre-Chrominum] versions of Edge or IE, but has been s...
How to get names of classes inside a jar file?
I have a JAR file and I need to get the name of all classes inside this JAR file. How can I do that?
12 Answers
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Why would you ever implement finalize()?
...uestions on finalize() and find it kind of bewildering that no one has really made it plain that finalize() is an unreliable way to clean up resources. I saw someone comment that they use it to clean up Connections, which is really scary since the only way to come as close to a guarantee that a C...
How do I run a node.js app as a background service?
...ith latest node I was unable to get it to stop an app via the script name (error) - also - generally misbehaving (was on OS-X) - all built from source, oddly. Left things in a bad state, didn't fill me with confidence.
– Michael Neale
Apr 12 '11 at 12:32
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SQL query to find record with ID not in another table
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@PrinceJea actually it depends. See here for clarification
– John Woo
Aug 21 '12 at 7:32
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Where can I set environment variables that crontab will use?
... does not allow environment variables to be declared and will throw syntax errors in the cron.log. Workaround can be done per-entry:
# m h dom mon dow command
* * * * * export LC_ALL=nb_NO.UTF-8; sleep 5s && echo "yo"
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
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Good answer. For the algorithm, a greedy off-by-two error: ACVV-VVVVV multiplies by 7, ACVV-ACVV-V multiplies by 6. So Ctrl-V for remaining strokes < 6 instead of 4.
– Marcel Jackwerth
Jan 5 '11 at 19:06
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