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When and how should I use a ThreadLocal variable?
...en using them to avoid unwanted side-effects and memory leaks. Design your APIs so that the ThreadLocal values will always be automatically cleared when they are not needed anymore and that incorrect use of the API won't be possible (for example like this). ThreadLocals can be used to make the code ...
How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...
double i = Double.NaN;
The API for Double.equals() spells out the answer: "Double.NaN==Double.NaN has the value false". This is elaborated in the Java Language Specification under "Floating-Point Types, Formats, and Values":
NaN is unordered, so th...
What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
...Mercurial is written in C (core, for performance) and Python, and provides API for extensions; Bazaar is written in Python, and provides API for extensions.
In considering each of them with one another and against version control systems like SVN and Perforce, what issues should be considered?
V...
Wait until a process ends
...ferring to the Microsoft example:
[https://docs.microsoft.com/en-us/dotnet/api/system.diagnostics.process.enableraisingevents?view=netframework-4.8]
Best would be to set:
myProcess.EnableRaisingEvents = true;
otherwiese the Code will be blocked.
Also no additional properties needed.
// Start a ...
disable all form elements inside div
... textarea, button') all selectors should be quoted with one set of quotes. api.jquery.com/multiple-selector Doing it your way you are sending multiple arguments.
– Ivan Ivanić
Mar 13 '11 at 16:16
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When to use nil, blank, empty? [duplicate]
...you ask for does not
belong to Ruby, it is a Rails
extension:
http://api.rubyonrails.com/classes/Object.html#M000011.
If you click through to the link at the end of that post you will find that the blank? method simply combines the nil? and empty? method calls.
...
setResult does not work when BACK button pressed
...here weren't, you wouldn't know about it when it would be introduced in an API update. Not as easily as you would when behavior of onPause() or onDestroy() changed. Those are the methods you are supposed to override.
– pjv
Mar 16 '11 at 22:31
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Get elements by attribute when querySelectorAll is not available without using libraries?
...IE8 - maybe this should be swapped to developer.mozilla.org/en-US/docs/Web/API/Element/… so it actually supports the answer...?
– Zze
Sep 12 '17 at 20:26
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jQuery get values of checked checkboxes into array
...all get() and you'll have your array as it is written in the specs: http://api.jquery.com/map/
$(':checkbox').map(function() {
return this.id;
}).get().join();
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Checking if a string is empty or null in Java [duplicate]
... special characters eg " " empty too. See java.lang.Character.isWhitespace API
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