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How can two strings be concatenated?

How can I concatenate (merge, combine) two values? For example I have: 12 Answers 12 ...
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How to send a JSON object using html form data

... Get complete form data as array and json stringify it. var formData = JSON.stringify($("#myForm").serializeArray()); You can use it later in ajax. Or if you are not using ajax; put it in hidden textarea and pass to server. If thi...
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Run cron job only if it isn't already running

So I'm trying to set up a cron job as a sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do wha...
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Putting text in top left corner of matplotlib plot

How can I put text in the top left (or top right) corner of a matplotlib figure, e.g. where a top left legend would be, or on top of the plot but in the top left corner? E.g. if it's a plt.scatter(), then something that would be within the square of the scatter, put in the top left most corner. ...
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How to list the size of each file and directory and sort by descending size in Bash?

... Simply navigate to directory and run following command: du -a --max-depth=1 | sort -n OR add -h for human readable sizes and -r to print bigger directories/files first. du -a -h --max-depth=1 | sort -hr ...
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What's the shortest code to cause a stack overflow? [closed]

To commemorate the public launch of Stack Overflow, what's the shortest code to cause a stack overflow? Any language welcome. ...
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Get class list for element with jQuery

Is there a way in jQuery to loop through or assign to an array all of the classes that are assigned to an element? 17 Answe...
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How to draw rounded rectangle in Android UI?

... the same rounded rectangle for TextView and EditText would also be helpful. 8 Answers ...
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AngularJS - Access to child scope

... Scopes in AngularJS use prototypal inheritance, when looking up a property in a child scope the interpreter will look up the prototype chain starting from the child and continue to the parents until it finds the property, not th...
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How to start an application using android ADB tools?

... adb shell am start -n com.package.name/com.package.name.ActivityName Or you can use this directly: adb shell am start -n com.package.name/com.package.name.ActivityName You can also specify actions to be filter by your intent-filters: am start -a...