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How to center a “position: absolute” element
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Smartest answer. I have just checked it and it works on all browsers. It does not work on IE8 but it works on IE>=9
– Roger
Dec 11 '13 at 9:43
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git: Switch branch and ignore any changes without committing
I was working on a git branch and was ready to commit my changes, so I made a commit with a useful commit message. I then absentmindedly made minor changes to the code that are not worth keeping. I now want to change branches, but git gives me,
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Comparing boxed Long values 127 and 128
...s this:
true
false
For the 127L value, since both references (val1 and val2) point to the same object instance in memory (cached), it returns true.
On the other hand, for the 128 value, since there is no instance for it cached in memory, a new one is created for any new assignments for boxe...
How can I prevent the backspace key from navigating back?
On IE I can do this with the (terribly non-standard, but working) jQuery
33 Answers
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How to return only the Date from a SQL Server DateTime datatype
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On SQL Server 2008 and higher, you should CONVERT to date:
SELECT CONVERT(date, getdate())
On older versions, you can do the following:
SELECT DATEADD(dd, 0, DATEDIFF(dd, 0, @your_date))
for example
SELECT DATEADD(dd, 0, DATEDIFF(dd, 0, ...
How to reset Jenkins security settings from the command line?
...re a way to reset all (or just disable the security settings) from the command line without a user/password as I have managed to completely lock myself out of Jenkins ?
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What's the difference between ContentControl and ContentPresenter?
...not sure when I should use ContentPresenter instead of ContentControl (and vice-versa). At the moment, I'm using ContentControl pretty much all the time in my DataTemplate s. When would ContentPresenter be a better choice? and why?
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Why are there two ways to unstage a file in Git?
...ult is not a staged deletion, that's for sure, hence I think the misunderstanding is totally understandable.
– Roman Starkov
Jan 12 '14 at 14:16
4
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How to call a Python function from Node.js
...all you have to do is make sure that you import sys in your python script, and then you can access arg1 using sys.argv[1], arg2 using sys.argv[2], and so on.
To send data back to node just do the following in the python script:
print(dataToSendBack)
sys.stdout.flush()
And then node can liste...
Where is Java's Array indexOf?
I must be missing something very obvious, but I've searched all over and can't find this method.
13 Answers
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