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How to terminate a Python script
...nonzero value is
considered “abnormal termination” by shells and the like. Most systems
require it to be in the range 0-127, and produce undefined results
otherwise. Some systems have a convention for assigning specific
meanings to specific exit codes, but these are generally
underdeveloped; Uni...
Logging Clientside JavaScript Errors on Server [closed]
..., however since it's not part of any specification, support is somewhat flaky.
Here's an example from Using XMLHttpRequest to log JavaScript errors:
window.onerror = function(msg, url, line)
{
var req = new XMLHttpRequest();
var params = "msg=" + encodeURIComponent(msg) + '&url=' + enc...
Visual Studio keyboard shortcut to automatically add the needed 'using' statement
What is the keyboard shortcut to expand the little red line that gives you the menu where you can choose to have the necessary using statement added to the top of the file?
...
Assign output of a program to a variable using a MS batch file
...le rather than on the command line. Imagine, your test.bat has something like:
for /f %%i in ('c:\cygwin64\bin\date.exe +"%%Y%%m%%d%%H%%M%%S"') do set datetime=%%i
echo %datetime%
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How to install packages using pip according to the requirements.txt file from a local directory?
...
This works for me:
$ pip install -r requirements.txt --no-index --find-links file:///tmp/packages
--no-index - Ignore package index (only looking at --find-links URLs instead).
-f, --find-links <URL> - If a URL or path to ...
Use cases for the 'setdefault' dict method
...unsorted data, else use itertools.groupby)
# really verbose
new = {}
for (key, value) in data:
if key in new:
new[key].append( value )
else:
new[key] = [value]
# easy with setdefault
new = {}
for (key, value) in data:
group = new.setdefault(key, []) # key might exist a...
How can I calculate the difference between two dates?
...
dreamlaxdreamlax
87.6k2828 gold badges154154 silver badges202202 bronze badges
...
Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
...ect associated with the class or interface with the given string name. Invoking this method is equivalent to: Class.forName(className, true, currentLoader)
(true here refers to do you want to initialize the class?)
On the other hand, ClassLoader.loadClass(String):
Invoking this method is equi...
How to split a string into a list?
...
Casimir Crystal
17.4k1111 gold badges5252 silver badges7676 bronze badges
answered Apr 13 '09 at 12:54
nstehrnstehr
...
Where does the @Transactional annotation belong?
... the Service classes which are calling using the DAO objects? Or does it make sense to annotate both "layers"?
19 Answers
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