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Regular expressions in C: examples?
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238
Regular expressions actually aren't part of ANSI C. It sounds like you might be talking about t...
Python pandas Filtering out nan from a data selection of a column of strings
...NaN:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
movie name rating
0...
How do I represent a hextile/hex grid in memory?
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answered Jun 1 '13 at 15:59
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
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13 Answers
13
Active
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
...ooAsync()
{
var t = new SimpleAwaitable();
for (int i = 0; i < 3; i++)
{
try
{
Console.WriteLine("In Try");
return await t;
}
catch (Exception)
{
Console.WriteLine("Trying again...");
...
How do I use arrays in C++?
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305
Arrays on the type level
An array type is denoted as T[n] where T is the element type and n i...
How to run cron job every 2 hours
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398
Just do:
0 */2 * * * /home/username/test.sh
The 0 at the beginning means to run at the 0t...
Generate array of all letters and digits
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or
('a'..'z').to_a + ('0'..'9').to_a # works in 1.8 and 1.9
or
(0...36).map{ |i| i.to_s 36 }
(the Integer#to_s method converts a number to a string representing it in a desired numeral system)
share
|
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Nested JSON objects - do I have to use arrays for everything?
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3 Answers
3
Active
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Make Div overlay ENTIRE page (not just viewport)?
...pression that the entire body is darkened.
Example: http://jsbin.com/okabo3/edit
div.fadeMe {
opacity: 0.5;
background: #000;
width: 100%;
height: 100%;
z-index: 10;
top: 0;
left: 0;
position: fixed;
}
<body>
<div class="fadeMe">...