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How can I check if a string is null or empty in PowerShell?
Is there a built-in IsNullOrEmpty -like function in order to check if a string is null or empty, in PowerShell?
11 Answers...
ImportError: No module named PIL
I use this command in the shell to install PIL:
22 Answers
22
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Is !important bad for performance?
...CSS parser at /source/layout/style/nsCSSDataBlock.cpp#572 and I think that is the relevant routine, handling overwriting of CSS rules.
it just seems to be an simple check for "important".
if (aIsImportant) {
if (!HasImportantBit(aPropID))
changed = PR_TRUE;
SetImportantBit(aPropID)...
Delete multiple records using REST
What is the REST-ful way of deleting multiple items?
5 Answers
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Does JavaScript have the interface type (such as Java's 'interface')?
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There's no notion of "this class must have these functions" (that is, no interfaces per se), because:
JavaScript inheritance is based on objects, not classes. That's not a big deal until you realize:
JavaScript is an extremely dynamically typed l...
Why do we copy then move?
... to copy an object and subsequently move it to a data member of a class. This left me in confusion in that I thought the whole point of moving was to avoid copying. Here is the example:
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Conditional formatting based on another cell's value
I'm using Google Sheets for a daily dashboard. What I need is to change the background color of cell B5 based on the value of another cell - C5. If C5 is greater than 80% then the background color is green but if it's below, it will be amber/red.
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Test whether string is a valid integer
...e script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it apart char by char.
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Putting license in each code file? [closed]
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edited Sep 10 '18 at 10:57
Michael Dorner
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How do you use the ? : (conditional) operator in JavaScript?
Can someone please explain to me in simple words what is the ?: (conditional, "ternary") operator and how to use it?
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