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How to suppress warnings globally in an R Script

I have a long R script that throws some warnings, which I can ignore. I could use 4 Answers ...
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Is there a way to detect if a browser window is not currently active?

I have JavaScript that is doing activity periodically. When the user is not looking at the site (i.e., the window or tab does not have focus), it'd be nice to not run. ...
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What does it mean if a Python object is “subscriptable” or not?

Which types of objects fall into the domain of "subscriptable"? 6 Answers 6 ...
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How to set a Header field on POST a form?

...ever you may use for example jquery (although you can do it with plain javascript) to serialize the form and send (using AJAX) while adding your custom header. Look at the jquery serialize which changes an HTML FORM into form-url-encoded values ready for POST. UPDATE My suggestion is to include e...
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How to use PHP OPCache?

..., misses and some more useful information. It will also contain the cached scripts. var_dump(opcache_get_status()); opcache_reset(): Resets the entire cache. Meaning all possible cached scripts will be parsed again on the next visit. opcache_reset(); opcache_invalidate(): Invalidates a speci...
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How can I get the Typescript compiler to output the compiled js to a different directory?

I'm fairly new to TypeScript, and right now I have .ts files in several places throughought my project structure: 8 Answers...
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How to run eclipse in clean mode? what happens if we do so?

... Eclipse and add -clean as the first argument. Or create a batch or shell script that calls the Eclipse executable with the -clean argument. The advantage to this step is you can keep the script around and use it each time you want to clean out the workspace. You can name it something like eclipse-...
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Youtube iframe wmode issue

Using javascript with jQuery, I am adding an iframe with a youtube url to display a video on a website however the embed code that gets loaded in the iframe from youtube doesnt have wmode="Opaque", therefore the modal boxes on the page are shown beneath the youtube video. ...
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How to exit if a command failed?

I am a noob in shell-scripting. I want to print a message and exit my script if a command fails. I've tried: 8 Answers ...
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How do I programmatically determine if there are uncommitted changes?

...n see "How to check if a command succeeded?" if you are using it in a bash script: git diff-index --quiet HEAD -- || echo "untracked"; // do something about it Note: as commented by Anthony Sottile git diff-index HEAD ... will fail on a branch which has no commits (such as a newly initialized repo...