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val-mutable versus var-immutable in Scala
...the potential to escape, even if it doesn't. When changing code, you might then want to pass it to other methods, or return it. That's the kind of thing that breaks referential transparency.
On an object (a field), pretty much the same thing happens, but with more dire consequences. Either way the ...
Performing a Stress Test on Web Application?
...l use I set up was to mimick dialing a number through our web application, then used an auto answer tool we had (which was basically a tutorial app from Microsoft to connect to their RTC LCS server... which is what Microsoft Office Communicator connects to on a local network... then modified to just...
Remove an Existing File from a Git Repo
...
$ cd
$ cat >> .gitignore
development.log
C-d
from m. narebski: You then need to remove the file from the repo by executing "git rm --cached <file> and then committing this removal"
If you were also hoping to make the repo look as if it had never tracked that file, that is much more c...
How do you manage databases in development, test, and production?
...ading the reference dump into the db.
Apply the developers schema patches
then apply the developers data patches
Then run unit and system tests.
Production is deployed to customers as installers.
What we do:
We take a schema dump of our sandbox DB.
Then a sql data dump.
We diff that to the pr...
How to capitalize the first character of each word in a string
...om apache commons-text)
(Note: if you need "fOO BAr" to become "Foo Bar", then use capitalizeFully(..) instead)
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Intellij IDEA generate for-each/for keyboard shortcut
...ressing Ctrl+J opens the list of live templates within your code context. Then type 'itin'.
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Stop and Start a service via batch or cmd file?
... action is complete. If you want to restart a service via batch file (stop then start), the stop returns immediately, the start then fails because the service isn't stopped. Net stop/start returns after the action is complete, so doesn't have this problem.
– Dom
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In Ruby, is there an Array method that combines 'select' and 'map'?
...ze the state to be what you want (in our case, an empty list to fill: []), then always make sure to return this value with modifications for each element in the original list (in our case, the modified element pushed to the list).
This is the most efficient since it only loops over the list with on...
Java's L number (long) specification
...0 with O (and so on), your priority is to set the font right (if you can), then worry about making sure you don't miss the Shift key.
– davidcesarino
Apr 2 '12 at 17:02
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Can I install Python windows packages into virtualenvs?
... this, but got an error wheel convert numpy-MKL-1.8.1.win-amd64-py2.7.exe then pip install numpy-1.8.1-cp27-none-win_amd64.whl i get the following error Downloading/unpacking numpy-1.8.1-cp27-none-win-amd64.whl Could not find any downloads that satisfy the requirement numpy-1.8.1-cp27-non e-win-a...