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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
What is the simplest/best way to ensure only one instance of a given script is running - assuming it's Bash on Linux?
14 An...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...pip install mysql-python
or if not using a virtual environment (on *nix hosts):
sudo pip install mysql-python
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How can I send mail from an iPhone application
I want to send an email from my iPhone application. I have heard that the iOS SDK doesn't have an email API. I don't want to use the following code because it will exit my application:
...
How to make a copy of a file in android?
...ut.write(buf, 0, len);
}
} finally {
out.close();
}
} finally {
in.close();
}
}
On API 19+ you can use Java Automatic Resource Management:
public static void copy(File src, File dst) throws IOException {
try (InputStream in = new FileInp...
How can I troubleshoot my Perl CGI script?
I have a Perl script that isn't working and I don't know how to start narrowing down the problem. What can I do?
8 Answers
...
Prevent errors from breaking / crashing gulp watch
...ask to stop.
Examples :
gulp.task('all', function () {
gulp.src('./app/script/*.coffee')
.pipe(coffee({ bare: true }))
.on('error', swallowError)
.pipe(gulp.dest('./public/js'))
gulp.src('css/*.scss')
.pipe(sass({ compass: true }))
.on('error', swallowError)
.pipe(cssm...
Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools
...id SDK isn't x64, but works ok with x64 jvm (and x64 eclipse IDE).
As helios said, you must set project compatibility to Java 5.0 or Java 6.0.
To do that, 2 options:
Right-click on your project and select "Android Tools -> Fix
Project Properties" (if this din't work, try second option)
Right...
Where do you include the jQuery library from? Google JSAPI? CDN?
...oogle, so when a visitor comes to my site they may already have the JQuery script in their local cache. Pre-cached content usually means faster load times for the visitor.
Third: My web hosting company charges me for the bandwidth used. No sense consuming 18k per user session if the visitor can g...
How to debug a bash script? [closed]
Is there any way to debug a bash script? E.g something that prints a sort of execution log like "calling line 1", "calling line 2" etc.
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What file uses .md extension and how should I edit them?
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can we add images or through link in .md file... is it possible?
– Raphael
Jan 22 '16 at 4:54
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