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Detecting an “invalid date” Date instance in JavaScript
...f you are not concerned with Date objects from other JS contexts (external windows, frames, or iframes), this simpler form may be preferred:
function isValidDate(d) {
return d instanceof Date && !isNaN(d);
}
shar...
Trying to add adb to PATH variable OSX
...sers/"YOURUSER"/Library/Android/sdk/platform-tools:$PATH
Restart your bash window and test by typing adb shell
Good luck! :-)
How to draw vertical lines on a given plot in matplotlib?
...
The standard way to add vertical lines that will cover your entire plot window without you having to specify their actual height is plt.axvline
import matplotlib.pyplot as plt
plt.axvline(x=0.22058956)
plt.axvline(x=0.33088437)
plt.axvline(x=2.20589566)
OR
xcoords = [0.22058956, 0.33088437, ...
try {} without catch {} possible in JavaScript?
...ry without a catch clause sends its error to the next higher catch, or the window, if there is no catch defined within that try.
If you do not have a catch, a try expression requires a finally clause.
try {
// whatever;
} finally {
// always runs
}
...
Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
...yscall interface is system-specific and might not work everywhere (e.g. on windows). But it works nicely to catch both:
c := make(chan os.Signal, 2)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
....
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...
PHP Array to CSV
...hat's a PHP constant. It will determine the correct end of line you need.
Windows, for example, uses "\r\n". I wracked my brains with that one when my output wasn't breaking to a new line.
how to write unified new line in PHP?
...
How do I run a spring boot executable jar in a Production environment?
...
On Windows OS without Service.
start.bat
@ECHO OFF
call run.bat start
stop.bat:
@ECHO OFF
call run.bat stop
run.bat
@ECHO OFF
IF "%1"=="start" (
ECHO start myapp
start "myapp" java -jar -Dspring.profiles.active=...
Convert UTF-8 encoded NSData to NSString
I have UTF-8 encoded NSData from windows server and I want to convert it to NSString for iPhone. Since data contains characters (like a degree symbol) which have different values on both platforms, how do I convert data to string?
...
How to set input type date's default value to today?
...
In Opera (tested on Opera 12 / Windows) this doesn't work if you don't put the leading zeros in month and day.
– Renato
Jul 3
Android: show soft keyboard automatically when focus is on an EditText
...us listener on the EditText on the AlertDialog, then get the AlertDialog's Window. From there you can make the soft keyboard show by calling setSoftInputMode.
final AlertDialog dialog = ...;
editText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusC...