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Getting JavaScript object key list
...s you're implicitly typing the object. Assigning [] to it (or array() back then) makes it an array, which you can then use as an array safely.
– Niels Keurentjes
Nov 29 '14 at 23:28
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bootstrap button shows blue outline when clicked
... good practise to use !important I suggest you use more specific class and then try applying the css with the use of !important...
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How are “mvn clean package” and “mvn clean install” different?
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Why is mvn install faster than mvn package then ?
– lostintranslation
Dec 5 '17 at 12:49
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Git, How to reset origin/master to a commit?
... checkout master
git reset --hard e3f1e37
git push --force origin master
# Then to prove it (it won't print any diff)
git diff master..origin/master
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How do I check if a number is positive or negative in C#?
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But then he has to check if the result of Math.Sign is positive or negative too! Does he use Math.Sign for that as well? ;)
– AndrewC
May 15 '11 at 20:31
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How to make a great R reproducible example
... have some data that would be too difficult to construct using these tips, then you can always make a subset of your original data, using head(), subset() or the indices. Then use dput() to give us something that can be put in R immediately :
> dput(iris[1:4, ]) # first four rows of the iris dat...
Should I use static_cast or reinterpret_cast when casting a void* to whatever
...ss is used. Only that if you reinterpret_cast from one type to another and then back again, you will get back the same address you started with.
– ClydeTheGhost
Mar 1 '19 at 20:58
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Get element from within an iFrame
...ithinIframe() {
return document.getElementById('copy-sheet-form');
}
Then you call that function like so to retrieve the element:
var el = document.getElementById("iframeId").contentWindow.functionNameToCall();
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When would you use a WeakHashMap or a WeakReference?
...finalizer, all is well. If dispose is something you have to manually call, then either 1) extend the class and put dispose in the finalizer, or 2) use phantomreference to track and run dispose accordingly. Option 2 is better (avoids resurrection bugs, and gives you the ability to run dispose on ano...
Why no ICloneable?
...of your application. so if you make a class that does not do deep cloning, then someone else makes a class that does do deep cloning and calls Clone on all its parts, it will not work predictably -- depending on whether that part was implemented by you or that person who likes deep cloning. your poi...