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How to check if a variable is null or empty string or all whitespace in JavaScript?
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Whitespace can also include tabs, other kinds of spaces, etc. Use /^\s*$/ to catch those, too.
– grant
Aug 9 '13 at 0:26
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One or more types required to compile a dynamic expression cannot be found. Are you missing referenc
...l: Same happened to me after upgrading a project from 4.0 to 4.5. Version#/etc is the same between 4.0/4.5 IIRC which might be the reason.
– Steven Evers
Aug 26 '13 at 22:50
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How do you comment out code in PowerShell?
...e: Send-MailMessage -To bob@bob.com #This is a comment -Subject "Help Me!" etc.
– CitizenRon
May 25 '17 at 20:05
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Error in plot.new() : figure margins too large in R
...y problem! I had expanded the "Environment" window, shrinking the "Plots", etc. window. I just had to expand the window. Thank you!
– Rock Lee
Nov 11 '14 at 22:21
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In Subversion can I be a user other than my login name?
...s a better answer because it works for all SVN commands (checkout, commit, etc) where the --username flag seems to either be non-existant or slightly different for various commands...
– edwardsharp
Nov 3 '11 at 22:17
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Xcode source automatic formatting
...ly does indentation. What about moving braces, taking care of line breaks, etc?
– Peter Ajtai
Apr 30 '12 at 0:56
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Fatal error: Class 'ZipArchive' not found in
... Simple solution: sudo apt-get install php7.0-zip. Then, edit the file /etc/php/7.0/cli/php.ini (In the "Dynamic Extensions" section, add the line extension=zip.so). This should solve it
– JonyD
Sep 2 '16 at 12:05
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Should Github be used as a CDN for javascript libraries? [closed]
...'s actual MIME type. In IE9 (and perhaps other browsers/proxies/firewalls/etc), JavaScript files that aren't served with the correct content-type are blocked by default. You can see that in action on the BlockUI demo page, for example:
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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...ecause a calculation failed - eg square root of a negative, divide by zero etc - it makes no sense in comparing them against anything else. After all if divide by zero is a nan is it equivalent to the square root of -2 or square root of -3 ?
Nan allows a calculation that includes a step that return...
How to select last two characters of a string
... but is IE specific and does not have anything to do with Firefox, Safari, etc.
– Matt
May 24 '12 at 18:45
added the l...