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How can I run an external command asynchronously from Python?

...he answer from comments) The Popen instance can do various other things like you can poll() it to see if it is still running, and you can communicate() with it to send it data on stdin, and wait for it to terminate. share ...
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How to break out from a ruby block?

... Use the keyword next. If you do not want to continue to the next item, use break. When next is used within a block, it causes the block to exit immediately, returning control to the iterator method, which may then begin a new itera...
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How to add images to README.md on GitHub?

... Try this markdown: ![alt text](http://url/to/img.png) I think you can link directly to the raw version of an image if it's stored in your repository. i.e. ![alt text](https://github.com/[username]/[reponame]/blob/[branch]/image.jpg?r...
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Changing navigation bar color in Swift

I am using a Picker View to allow the user to choose the colour theme for the entire app. 30 Answers ...
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'const int' vs. 'int const' as function parameters in C++ and C

...table) char In other words, (1) and (2) are identical. The only way of making the pointer (rather than the pointee) const is to use a suffix-const. This is why many people prefer to always put const to the right side of the type (“East const” style): it makes its location relative to the type...
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How to change the pop-up position of the jQuery DatePicker control

Any idea how to get the DatePicker to appear at the end of the associated text box instead of directly below it? What tends to happen is that the text box is towards the bottom of the page and the DatePicker shifts up to account for it and totally covers the text box. If the user wants to type the d...
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javax vs java package

What's the rationale behind the javax package? What goes into java and what into javax? 7 Answers ...
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How to force a html5 form validation without submitting it via jQuery

... To check whether a certain field is valid, use: $('#myField')[0].checkValidity(); // returns true/false To check if the form is valid, use: $('#myForm')[0].checkValidity(); // returns true/false If you want to display the nati...
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How can I multiply all items in a list together with Python?

I need to write a function that takes a list of numbers and multiplies them together. Example: [1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help. ...
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When to use a key/value store such as Redis instead/along side of a SQL database?

I have read great things about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application. ...