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What is the difference between Class and Klass in ruby?
...n this results in an error, since you can't use class as a variable name.
test.rb:1: syntax error, unexpected kCLASS, expecting ')'
def show_methods(class)
^
test.rb:2: syntax error, unexpected ')'
puts Object.const_get(class).methods.inspect
To fix it, we'll u...
how to read System environment variable in Spring applicationContext
...s a file:/// url.
So for example, if you have a config file located in
/testapp/config/my.app.config.properties
then set an environment variable like so:
MY_ENV_VAR_PATH=/testapp/config
and your app can load the file using a bean definition like this:
e.g.
<bean class="org.springframewo...
$(document).click() not working correctly on iPhone. jquery [duplicate]
...you're not making everything turn blue on chrome or firefox mobile;
/iP/i.test(navigator.userAgent) && $('*').css('cursor', 'pointer');
basically, on iOS, things aren't "clickable" by default -- they're "touchable" (pfffff) so you make them "clickable" by giving them a pointer cursor. mak...
Sound effects in JavaScript / HTML5
...ou should use
(new Audio()).canPlayType("audio/ogg; codecs=vorbis")
to test whether the browser supports Ogg Vorbis.
If you're writing a game or a music app (more than just a player), you'll want to use more advanced Web Audio API, which is now supported by most browsers.
...
What is the use case of noop [:] in bash?
...or if statements when I comment out all the code. For example you have a test:
if [ "$foo" != "1" ]
then
echo Success
fi
but you want to temporarily comment out everything contained within:
if [ "$foo" != "1" ]
then
#echo Success
fi
Which causes bash to give a syntax error:
line 4:...
Use PHP to create, edit and delete crontab jobs?
... manages the cron files so you can use them, for example per project. Unit Tests available :-)
Sample from command line:
bin/cronman --enable /var/www/myproject/.cronfile --user www-data
Sample from API:
use php\manager\crontab\CrontabManager;
$crontab = new CrontabManager();
$crontab->enab...
How to change font face of Webview in Android?
...url('...')" clause. Leave that out and the fonts are rendered beautifully. Tested with Google's own web fonts.
– Pascal Lindelauf
Jun 20 '14 at 9:41
2
...
How to specify a multi-line shell variable?
...have quotes and variables in the text easily as well:
example output
$ ./test.sh
The text from the example function is:
Welcome dev: Would you "like" to know how many 'files' there are in /tmp?
There are " 38" files in /tmp, according to the "wc" command
test.sh
#!/bin/bash
function...
Command line: piping find results to rm
...ry to
delete everything below the starting points you specified. When
testing a find command line that you later intend to use with
-delete, you should explicitly specify -depth in order to avoid
later surprises. Because -delete implies -depth, you cannot
usefully use -prune and ...
Error type 3 Error: Activity class {} does not exist
...
May be helpful for someone:--
Sometimes when testing on a device, the app doesn't uninstall properly. To verify and fix this:
Go to Settings.
Go to Apps.
Select your app. (here, you can verify that your app is not uninstalled properly).
Open the overflow menu on the t...