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Determining the current foreground application from a background task or service
...roundTaskAppName = foregroundAppPackageInfo.applicationInfo.loadLabel(pm).toString();
This requires an additional permission in activity menifest and works perfectly.
<uses-permission android:name="android.permission.GET_TASKS" />
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move_uploaded_file gives “failed to open stream: Permission denied” error
...rying to configure the upload directory with Apache 2.2 and PHP 5.3 on CentOS.
13 Answers
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How to measure elapsed time in Python?
...eryPerformanceCounter(). The resolution is typically
better than one microsecond.
Deprecated since version 3.3: The behaviour of this function depends
on the platform: use perf_counter() or process_time() instead,
depending on your requirements, to have a well defined behaviour.
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No newline at end of file
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Out of curiosity, can you explain why it's considered good style to always put a newline as the last character? Edit: found this discussion.
– Paul Bellora
Nov 16 '12 at 20:27
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How to replace a character by a newline in Vim
...nd CR moved the printhead but did not move the paper. As a result, if your OS did not convert the input before printing, you could not just use just LF nor CR to get the correct output. MS DOS used raw printer data as the text file format, Mac OS used CR and converted from that to printer's raw form...
How to prevent SIGPIPEs (or handle them properly)
...use signal handlers in C have many restrictions on what they can do.
The most portable way to do this is to set the SIGPIPE handler to SIG_IGN. This will prevent any socket or pipe write from causing a SIGPIPE signal.
To ignore the SIGPIPE signal, use the following code:
signal(SIGPIPE, SIG_IGN)...
When do I use the PHP constant “PHP_EOL”?
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Yes, PHP_EOL is ostensibly used to find the newline character in a cross-platform-compatible way, so it handles DOS/Unix issues.
Note that PHP_EOL represents the endline character for the current system. For instance, it will not find a Win...
How do you install ssh-copy-id on a Mac?
.... I have tried to follow https://github.com/beautifulcode/ssh-copy-id-for-OSX but every time I run ssh-copy-id it gives me errors. Any ideas on how to get ssh-copy-id to install?
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Timeout a command in bash without unnecessary delay
...cess is still alive.
declare -i interval=DEFAULT_INTERVAL
# Delay between posting the SIGTERM signal and destroying the process by SIGKILL.
declare -i delay=DEFAULT_DELAY
function printUsage() {
cat <<EOF
Synopsis
$scriptName [-t timeout] [-i interval] [-d delay] command
Execute ...
Fastest way(s) to move the cursor on a terminal command line?
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Since this hasn't been closed yet, here are a few more options.
Use Ctrl+x followed by Ctrl+e to open the current line in the editor specified by $FCEDIT or $EDITOR or emacs (tried in that order).
If you ran the command earlier, hit Ctrl+r for a re...