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How to check whether a Storage item is set?
... and I can't setItem until I know foo's state (value1 or value2). In other words, check foo exits then set it to value1 if it does not without accidentally overwriting value2.
– Rin and Len
Feb 14 at 11:56
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How to print like printf in Python3?
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In Python2, print was a keyword which introduced a statement:
print "Hi"
In Python3, print is a function which may be invoked:
print ("Hi")
In both versions, % is an operator which requires a string on the left-hand side and a value or a tuple of...
Remove new lines from string and replace with one empty space
... pointed out, this solution has issues matching single newlines in between words. This is not present in the example, but one can easily see how that situation could occur. An alternative is to do the following:
$string = trim(preg_replace('/\s+/', ' ', $string));
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Error in strings.xml file in Android
...ngs.xml and I fixed it.
<item>Most arguments can be ended with three words, "I don\'t care".</item>
Here you see my app builds properly with that code.
Here is the actual string in my app.
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The point of test %eax %eax [duplicate]
...ss
the CPU will jump to "some_address" if and only if ZF = 1, in other words if and only if AND(EAX,EAX) = 0 which in turn it can occur if and only if EAX == 0
the equivalent C code is:
if(eax == 0)
{
goto some_address
}
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Handling colon in element ID with jQuery
...adable code over fast code unless it's a performance bottleneck. Or in the word of Wiliam Wulf: "More computing sins are committed in the name of efficiency (without necessarily achieving it) than for any other single reason – including blind stupidity." More info here.
– nfe...
Detect Safari using jQuery
...e only way I found is check if navigator.userAgent contains iPhone or iPad word
if (navigator.userAgent.toLowerCase().match(/(ipad|iphone)/)) {
//is safari
}
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Git: See my last commit
... @jamessan git show --stat is close, but isn't there a view where the word 'modified' or 'added' appears next to the file?
– Dan Rosenstark
Feb 9 '10 at 18:49
3
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NPM clean modules
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In a word no.
In two, not yet.
There is, however, an open issue for a --no-build flag to npm install to perform an installation without building, which could be used to do what you're asking.
See this open issue.
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MySQL: selecting rows where a column is null
...l not equal to anything, it's not not-equal to anything, either. In other words, select * from foo where bar <> "abc" will not return rows where bar is null. That threw me for a loop today. The docs call <> the "not equal to" operator, but really it's the "is equal to something other th...