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Capture characters from standard input without waiting for enter to be pressed
...y for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter).
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jQuery: Best practice to populate drop down?
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Andreas Grech was pretty close... it's actually this (note the reference to this instead of the item in the loop):
var $dropdown = $("#dropdown");
$.each(result, function() {
$dropdown.append($("<option />").val(th...
Convert columns to string in Pandas
...e looking for the to_json function, which will convert keys to valid json (and therefore your keys to strings):
In [11]: df = pd.DataFrame([['A', 2], ['A', 4], ['B', 6]])
In [12]: df.to_json()
Out[12]: '{"0":{"0":"A","1":"A","2":"B"},"1":{"0":2,"1":4,"2":6}}'
In [13]: df[0].to_json()
Out[13]: '{"...
Using str_replace so that it only acts on the first match?
... Another downside is you have to use preg_quote() on the "needle" and escape meta-characters $ and \ in the replacement.
– Josh Davis
Aug 10 '09 at 2:53
32
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How to view DLL functions?
...obably best to use Dependency Walker. It also possible to use dumpbin command line utility that comes with Visual Studio.
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Moving UITabBarItem Image down?
Normally on each tab of a UITabBar you have a small image and a title naming the tab. The image is positioned/centred towards the top of the tab to accommodate the title underneath. My question is: if you want to have a tabBar with just an image and no title is there a way to move the image down ...
Is SQL or even TSQL Turing Complete?
...e programming languages, so that's kinda cheating).
In this set of slides Andrew Gierth proves that with CTE and Windowing SQL is Turing Complete, by constructing a cyclic tag system, which has been proved to be Turing Complete. The CTE feature is the important part however -- it allows you to crea...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
In case I do not care about the order of task completion and just need them all to complete, should I still use await Task.WhenAll instead of multiple await ? e.g, is DoWork2 below a preferred method to DoWork1 (and why?):
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C char array initialization
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char buf[10] = {'a', 0, 0, 0, 0, 0, 0, 0, 0, 0};
As you can see, no random content: if there are fewer initializers, the remaining of the array is initialized with 0. This the case even if the array is declared inside a function.
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Have a fixed position div that needs to scroll if content overflows
...d this for an adaptation of a Codrops article. Some might need to use left and right set to 0 also. Thank a lot, luck
– Santiago Baigorria
Oct 14 '13 at 18:56
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