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How Does Modulus Divison Work
I don't really understand how modulus division works.
I was calculating 27 % 16 and wound up with 11 and I don't understand why.
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What are the disadvantages of using persistent connection in PDO
... parent process to let the connection die when the script terminates abnormally.
If the dead script locked tables, those tables will remain locked until the connection dies or the next script that gets the connection unlocks the tables itself.
If the dead script was in the middle of a transaction,...
How can I grep for a string that begins with a dash/hyphen?
...rep still has it's own meaning to dashes (by providing options).
So you really need to escape it twice (if you prefer not to use the other mentioned answers). The following will/should work
grep \\-X
grep '\-X'
grep "\-X"
One way to try out how Bash passes arguments to a script/program is to cre...
What's Up with Logging in Java? [closed]
...with whatever logging framework is used in the integrated solution); especially valid if you're an API/Framework/OSS and you rely on other packages that use Commons Logging.
Commons Logging because you don't want to "lock down" to a particular logging framework (so instead you lock down to what Comm...
Loading a properties file from Java package
...).getResourceAsStream("foo.properties");
prop.load(in);
in.close();
(Add all the necessary exception handling).
If your class is not in that package, you need to aquire the InputStream slightly differently:
InputStream in =
getClass().getResourceAsStream("/com/al/common/email/templates/foo.pro...
Should it be “Arrange-Assert-Act-Assert”?
...ertion that precedes Act. This way I know that the passing assertion is really passing as the result of the action.
14 A...
jQuery equivalent of JavaScript's addEventListener method
I'm trying to find the jQuery equivalent of this JavaScript method call:
7 Answers
7
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.gitignore exclude folder but include specific subfolder
...” every parent directory of anything that you want to “unignore”. Usually you end up writing rules for this situation in pairs: ignore everything in a directory, but not some certain subdirectory.
# you can skip this first one if it is not already excluded by prior patterns
!application/
app...
How to stop an app on Heroku?
... your app you can scale the web dynos down to zero which effectively takes all your app http-processes offline.
$ heroku ps:scale web=0
Scaling web processes... done, now running 0
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Parcelable encountered IOException writing serializable object getactivity()
...the stack trace and work your way up to the last Caused by line. That's usually going to point to the specific problem. All the other stanzas of the stack trace represent wrapped exceptions around the "real" exception at the bottom of the trace.
– CommonsWare
A...