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Crontab - Run in directory
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All jobs are executed by a shell, so start that shell snippet by a command to change the directory.
cd /path/to/directory && ./bin/myapp
Concerning the use of && instead of ;: normally it doesn't make a difference, but if the cd command fails (e.g. because the directory doesn'...
Detect whether there is an Internet connection available on Android [duplicate]
I need to detect whether the Android device is connected to the Internet.
6 Answers
6
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Git - push current branch shortcut
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According to git push documentation:
git push origin HEAD
A handy way to push the current branch to the same name on the remote.
So I think what you need is git push origin HEAD. Also it can be useful git push -u origin HEAD to set upstream tracking information in the local branch, i...
Get loop count inside a Python FOR loop
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Using zip function we can get both element and index.
countries = ['Pakistan','India','China','Russia','USA']
for index, element zip(range(0,countries),countries):
print('Index : ',index)
print(' Element : ', element,'\n')
output : Index : 0 Elem...
How can I use jQuery to make an input readonly?
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There are two attributes, namely readonly and disabled, that can make a semi-read-only input. But there is a tiny difference between them.
<input type="text" readonly />
<input type="text" disabled />
The readonly attribute makes your input text disab...
Why does only the first line of this Windows batch file execute but all three lines execute in a com
I have a batch file that executes three Maven commands, one after the other. Each command can be successfully executed in the script - by itself!. But when I add all three commands to the same file, only the first one executes before the script exits. Any idea why?
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How long is the SHA256 hash?
...or even a char(64), as the length is always the same, not varying at all.
And the demo :
$hash = hash('sha256', 'hello, world!');
var_dump($hash);
Will give you :
$ php temp.php
string(64) "68e656b251e67e8358bef8483ab0d51c6619f3e7a1a9f0e75838d41ff368f728"
i.e. a string with 64 characters.
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How do I remove blank elements from an array?
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@Nico blank? is only available through ActiveSupport. Standard Ruby does use String#empty?: ruby-doc.org/core-1.9.3/String.html#method-i-empty-3F
– Michael Kohl
Sep 10 '12 at 15:00
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iOS app, programmatically get build version
...le.mainBundle().infoDictionary?["CFBundleShortVersionString"] as! String
and the "Build":
Swift 3
let build = Bundle.main.infoDictionary?[kCFBundleVersionKey as String] as? String
ObjC
NSString *build = [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleVersionKey];
S...
How to search for a string in cell array in MATLAB?
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ismember is a little more clunky and can get updated with newer versions. I feel more safer with str based functions like strcmpi, etc.
– Maddy
Apr 23 '15 at 19:32
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