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How to convert string representation of list to a list?
... ast
>>> x = u'[ "A","B","C" , " D"]'
>>> x = ast.literal_eval(x)
>>> x
['A', 'B', 'C', ' D']
>>> x = [n.strip() for n in x]
>>> x
['A', 'B', 'C', 'D']
ast.literal_eval:
With ast.literal_eval, you can safely evaluate an expression node or a string c...
Web Service vs WCF Service
...y of article:
"Basically, WCF is a service layer that allows you to build applications that can communicate using a variety of communication mechanisms. With it, you can communicate using Peer to Peer, Named Pipes, Web Services and so on.
You can’t compare them because WCF is a framework for bui...
How to redirect output of an entire shell script within the script itself?
...t of script with redirection...
} > file1 2>file2 # ...and others as appropriate...
#...residue of script without redirection...
The braces '{ ... }' provide a unit of I/O redirection. The braces must appear where a command could appear - simplistically, at the start of a line or after a s...
What is the best method of handling currency/money?
...igits
# scale is the number of digits to the right of the decimal point
add_column :items, :price, :decimal, :precision => 8, :scale => 2
In Rails, the :decimal type is returned as BigDecimal, which is great for price calculation.
If you insist on using integers, you will have to manually c...
How to fix a locale setting warning from Perl?
...
Your OS doesn't know about en_US.UTF-8.
You didn't mention a specific platform, but I can reproduce your problem:
% uname -a
OSF1 hunter2 V5.1 2650 alpha
% perl -e exit
perl: warning: Setting locale failed.
perl: warning: Please check that your locale ...
How to read contacts on Android 2.0
...t you have added
<uses-permission android:name="android.permission.READ_CONTACTS"/>
to your AndroidManifest.xml file, then you can loop through your phone contacts like this:
Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,null, null, null, null);
while (...
Which, if any, C++ compilers do tail-recursion optimization?
...
gcc 4.3.2 completely inlines this function (crappy/trivial atoi() implementation) into main(). Optimization level is -O1. I notice if I play around with it (even changing it from static to extern, the tail recursion goes away pretty fast, so I wouldn't depend on it for...
How do I find the length of an array?
... there, it won't work, right? The question is why
– A_Matar
Feb 6 '15 at 18:55
5
@A_Matar - You c...
Hosting ASP.NET in IIS7 gives Access is denied?
I have setup a application in my IIS7 that uses .NET Framework 4.0 (runned by NetworkService) but when browsing the site I get this:
...
Forcing a WPF tooltip to stay on the screen
...prefer this one precisely because it's global -- I want all tooltips in my app to persist longer without further fanfare. Doing this still allows you to selectively apply a smaller value in context-specific places, as well, exactly as in the other answer. (But as always, this is only valid if you ...