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Encapsulation vs Abstraction?
... It may or may not be for aiding in abstraction, but it is certainly about information hiding and/or organisation. It demands data and functions be grouped in some way - of course good OOP practice demands that they should be grouped by abstraction. However, there are other uses which just aid in m...
Upgrade python in a virtualenv
...b/python2.7/site-packages/pip
rm -r lib/python2.7/site-packages/pip-*.dist-info
rm -r lib/python2.7/site-packages/setuptools
rm -r lib/python2.7/site-packages/setuptools-*.dist-info
Finally, re-create your virtual environment:
virtualenv <EXISTING_ENV_PATH>
By doing so, old Python core fi...
The term “Context” in programming? [closed]
... a tooth pulled out.
When the receptionist asks you for your name, that's information they need in order to begin the appointment. In this example, your name is contextual information. So in the context of visiting the dentist, you need to provide your name to get your tooth pulled.
Now let's say ...
Limiting the number of records from mysqldump?
...e: mysqldump --opt --where="1 limit 1000000 offset 1000000" --no-create-info database to get the second page of 1 million records. Make sure to use the --no-create-info flag on pages other than the first to only dump the data and leave off the create table stuff.
– pfur...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
...usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $buildNumber" "$INFOPLIST_FILE" # Version number
/usr/libexec/PlistBuddy -c "Set :CFBundleVersion $buildNumber" "$INFOPLIST_FILE" # Build number
echo "DateTime for app version number: $buildNumber"
Or do a hybrid, with a conventional 1.2...
AngularJS check if form is valid in controller
...function(newVal) {
//$scope.valid = newVal;
$scope.informationStatus = true;
});
...
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Find Oracle JDBC driver in Maven repository
... Central repo. Just check it out, it contains the vendor's preferred Maven info:
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.3.0</version>
...and the URL to download the file which in this case is
http://www.oracle.com/technol...
Can't escape the backslash with regex?
...ter to suppress its special meaning.
ref : http://www.regular-expressions.info/reference.html
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Reference: mod_rewrite, URL rewriting and “pretty links” explained
...led as if /foo/bar.html had been requested. See http://regular-expressions.info for more information about regular expression matching, capturing and replacements.
Another often encountered rule is this:
RewriteRule (.*) index.php?url=$1
This, again, matches anything and rewrites it to the file ...
Make xargs execute the command once for each line of input
... If MAX-LINES is omitted it defaults to 1, thus xargs -l is enough. See info xargs.
– Thor
Jun 30 '12 at 0:50
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