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Check if SQL Connection is Open or Closed
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+1 exactly - use the SqlConnectionState enum as an enum and not turn it into a string.....
– marc_s
Aug 4 '11 at 15:19
4
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What is the difference between using IDisposable vs a destructor in C#?
...d a finalizer (destructor) the GC has to call it (even an empty finalizer) and to call it the object will always survive a gen 1 garbage collect. This will impede and slow down the GC. That's wht Marc says to call SuppressFinalize in the above code
– Kevin Jones
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How to change Rails 3 server default port in develoment?
...t - do not edit anything in your gem path! It will influence all projects, and you will have a lot problems later...
In your project edit script/rails this way:
#!/usr/bin/env ruby
# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your appli...
Get a filtered list of files in a directory
...noticed that the Python docs say glob() "is done by using the os.listdir() and fnmatch.fnmatch() functions in concert, and not by actually invoking a subshell". In other words, glob() doesn't have the efficiency improvements one might expect.
– Ben Hoyt
Feb 11 ...
JPA CascadeType.ALL does not delete orphans
...o use Hibernate, you'll have to explicitly first delete the child elements and then delete the main record to avoid any orphan records.
execution sequence
fetch main row to be deleted
fetch child elements
delete all child elements
delete main row
close session
With JPA 2.0, you can now use t...
How does one make a Zip bomb?
...compress that into a ZIP file, make 10 copies, pack those into a ZIP file, and repeat this process 9 times.
This way, you get a file which, when uncompressed completely, produces an absurd amount of data without requiring you to start out with that amount.
Additionally, the nested archives make ...
Getting indices of True values in a boolean list
...return a list of all the switches that are on. Here "on" will equal True and "off" equal False . So now I just want to return a list of all the True values and their position. This is all I have but it only return the position of the first occurrence of True (this is just a portion of my code...
Getting the current page
...w *)scrollView{}
which is called when your scrollView finishes scrolling and to have number of your page really sharp
I recommend you to set your scrollView to paged enabled with this code
[scrollView setPagingEnabled:YES];
So finally it should look like that way
-(void) methodWhereYouSetYour...
Convert a list to a dictionary in Python
...p to a dictionary. Each even element represents the key to the dictionary, and the following odd element is the value
12 An...
Get Output From the logging Module in IPython Notebook
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Does basic configuration for the logging system by creating a
StreamHandler with a default Formatter and adding it to the root
logger. The functions debug(), info(), warning(), error() and
critical() will call basicConfig() automatically if no handlers are
defined for the root logger.
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