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When is it acceptable to call GC.Collect?

...h to be posted here for example), that shows the difference between looped string concatenation and StringBuilder. If I need something precise, then this would be two completely independent tests - but often this is enough if we just want to minimize (or normalize) the GC during the tests to get a ...
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How to convert an array to object in PHP?

...y and '240' on production - massive dissaster. Morover if conversion fails string get's returned as NULL share | improve this answer | follow | ...
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How do you read CSS rule values with JavaScript?

I would like to return a string with all of the contents of a CSS rule, like the format you'd see in an inline style. I'd like to be able to do this without knowing what is contained in a particular rule, so I can't just pull them out by style name (like .style.width etc.) ...
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How to determine the memory footprint (size) of a variable?

...g support since the 2.* version. Please search for the "removed functions" string here: http://www.xdebug.org/updates.php Removed functions Removed support for Memory profiling as that didn't work properly. Other Profiler Options php-memory-profiler https://github.com/arnaud-lb/php-memory-profiler...
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Trim spaces from end of a NSString

I need to remove spaces from the end of a string. How can I do that? Example: if string is "Hello " it must become "Hello" ...
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How to center a (background) image within a div?

... If you want the entire div to be filled with the image and no extra space you should use background-size: cover; If you want the entire image to show without any part of the image being cut off or stretched you want to use background-size: contain; – Zlerp ...
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How do I store an array in localStorage? [duplicate]

... localStorage only supports strings. Use JSON.stringify() and JSON.parse(). var names = []; names[0] = prompt("New member name?"); localStorage.setItem("names", JSON.stringify(names)); //... var storedNames = JSON.parse(localStorage.getItem("names"));...
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How to change a django QueryDict to Python Dict?

...n where a given key may have one or more values, you could sometimes get a string, and sometimes get a list of strings. – Asherah Jan 4 '16 at 3:11 add a comment ...
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Rails where condition using NOT NIL

...S NOT NULL Note that this syntax reports a deprecation (it talks about a string SQL snippet, but I guess the hash condition is changed to string in the parser?), so be sure to add the references to the end: Foo.includes(:bar).where.not(bars: {id: nil}).references(:bar) DEPRECATION WARNING: I...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

... ... <key>JVMVersion</key> <string>!1.8.0</string> <!-- changed from '1.8.0' to '!1.8.0' -->` and then it magically disappears from the top of the list: /usr/libexec/java_home -verbose Matching Java Virtual Machines (3): 1.7.0_45...