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recursively add file extension to all files
....jpg \;
Explanation: this recursively finds all files (-type f) starting from the current directory (.) and applies the move command (mv) to each of them. Note also the quotes around {}, so that filenames with spaces (and even newlines...) are properly handled.
...
Reusing a PreparedStatement multiple times
...d will have its own stack and these connection and statements are in stack from one side and from another data source will give to every new call of executeFunction(==every thread) separate instance of connection. Do I understand you right?"
– Pavel_K
Oct 5 '15...
Including non-Python files with setup.py
...this is a very seamless "upgrade".
Here's a full (but untested) example:
from setuptools import setup, find_packages
setup(
name='your_project_name',
version='0.1',
description='A description.',
packages=find_packages(exclude=['ez_setup', 'tests', 'tests.*']),
package_data={''...
OO Design in Rails: Where to put stuff
...ontroller" paradigm, and intermediate developers hastily excise everything from their controllers and throw it into the model, which starts to become a new trash can for application logic.
Skinny controllers are, in fact, a good idea, but the corollary--putting everything in the model, isn't really...
Send string to stdin
...
You can use one-line heredoc
cat <<< "This is coming from the stdin"
the above is the same as
cat <<EOF
This is coming from the stdin
EOF
or you can redirect output from a command, like
diff <(ls /bin) <(ls /usr/bin)
or you can read as
while read line
do
...
How to evaluate a math expression given in string form?
I'm trying to write a Java routine to evaluate math expressions from String values like:
25 Answers
...
How can I restart a Java application?
...er @Horcrux7's question or not. You guys could've just told him the answer from the beginning lol. Well I'll go ahead and do it (kinda late I know): no it doesn't. There.
– Voldemort
Jul 19 '15 at 9:38
...
Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
...
Important! The HeapDump flags are available only from Java 1.5.0_07.
– rustyx
Sep 17 '12 at 15:53
14
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Make a div fill the height of the remaining screen space
...table on each property for an up-to-date compatibility status.
(taken from https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Flexible_boxes)
All major browsers and IE11+ support Flexbox. For IE 10 or older, you can use the FlexieJS shim.
To check current support you can also see here:
h...
Why are Objective-C delegates usually given the property assign instead of retain?
...will end up sending messages to the dead delegate.
If you're staying away from ARC for some reason, at least change assign properties that point to objects to unsafe_unretained, which make explicit that this is an unretained but non-zeroing reference to an object.
assign remains appropriate for no...