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How do I create a random alpha-numeric string in C++?
...function, the line s[len] = 0 could break things, since the array would go from 0 to len-1. And even if you are passing a C string to the function the line s[len] = 0 would be redundant.
– Felipe
Oct 22 '12 at 19:04
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Why em instead of px?
...tons is cut in half or disappears entirely. Even stackoverflow.com suffers from it:
Note how the top buttons and the page tabs overlap. If they would have used em units instead of px, there would not have been a problem.
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Unable to set data attribute using jQuery Data() API
...iginal answer below doesn't seem to work any more.
Updated answer
Again, from the .data() documentation
The treatment of attributes with embedded dashes was changed in jQuery 1.6 to conform to the W3C HTML5 specification.
So for <div data-role="page"></div> the following is true ...
Prompt Dialog in Windows Forms
... your Project Explorer window then on Add Reference, and check VisualBasic from that list.
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SSL certificate rejected trying to access GitHub over HTTPS behind firewall
... a tool called corkscrew. This is available for both CygWin (through setup from the cygwin homepage) and Linux using your favorite packaging tool. For MacOSX it is available from macports and brew at least.
The commandline is as follows :
$ corkscrew <proxyhost> <proxyport> <targeth...
pandas read_csv and filter columns with usecols
...ter reading.
This solution corrects those oddities:
import pandas as pd
from StringIO import StringIO
csv = r"""dummy,date,loc,x
bar,20090101,a,1
bar,20090102,a,3
bar,20090103,a,5
bar,20090101,b,1
bar,20090102,b,3
bar,20090103,b,5"""
df = pd.read_csv(StringIO(csv),
header=0,
ind...
Python: Why is functools.partial necessary?
...entant of ever having accepted it into Python whereas planned to remove it from Python 3, as one of "Python's glitches".
I fully supported him in that. (I love lambda in Scheme... while its limitations in Python, and the weird way it just doesn't fit in with the rest of the language, make my skin c...
Maven artifact and groupId naming
I'm currently in the process of moving some project from Ant to Maven. Conformist as I am, I want to use well-established conventions for finding groupId and artifactId , but I can't find any detailed conventions (there are some, but they don't cover the points I'm wondering about).
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What is the purpose of Looper and how to use it?
...the thread.
For example, while writing an application that downloads files from the internet, we can use Looper class to put files to be downloaded in the queue.
How it works?
There is prepare() method to prepare the Looper. Then you can use loop() method to create a message loop in the current th...
When use getOne and findOne methods Spring Data JPA
...ry most of cases, favor findOne()/findById() over getOne().
API Change
From at least, the 2.0 version, Spring-Data-Jpa modified findOne().
Previously, it was defined in the CrudRepository interface as :
T findOne(ID primaryKey);
Now, the single findOne() method that you will find in CrudRepos...