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How to optimize for-comprehensions and loops in Scala?
...s Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?"
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How to access route, post, get etc. parameters in Zend Framework 2
...gt;fromFiles('paramname'); // From file being uploaded
Default values
All of these methods also support default values that will be returned if no parameter with the given name is found.
Example:
$orderBy = $this->params()->fromQuery('orderby', 'name');
When visiting http://example.com/?...
How can I use xargs to copy files that have spaces and quotes in their names?
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You can combine all of that into a single find command:
find . -iname "*foobar*" -exec cp -- "{}" ~/foo/bar \;
This will handle filenames and directories with spaces in them. You can use -name to get case-sensitive results.
Note: The ...
Maven2: Best practice for Enterprise Project (EAR file)
...ur two dependencies for your EJB project and your WAR project.
So you actually have three maven projects here. One EJB. One WAR. One EAR that pulls the two parts together and creates the ear.
Deployment descriptors can be generated by maven, or placed inside the resources directory in the EAR pr...
How to reference a file for variables using Bash?
I want to call a settings file for a variable, how can I do this in bash?
9 Answers
9
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Why dict.get(key) instead of dict[key]?
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It allows you to provide a default value if the key is missing:
dictionary.get("bogus", default_value)
returns default_value (whatever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted...
what is reverse() in Django
...!-- django <= 1.4 -->
<a href="{% url url_name %}">link which calls some_view</a>
<!-- django >= 1.5 or with {% load url from future %} in your template -->
<a href="{% url 'url_name' %}">link which calls some_view</a>
This will be rendered as:
<a href="...
Create nice column output in python
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This will make all columns the same width, which is not what column -t does.
– intuited
Dec 5 '12 at 0:54
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Is there a way of having git show lines added, lines changed and lines removed?
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If all of your files are staged for commit, to see the --numstat go like this:
git diff --numstat HEAD~
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How to access the correct `this` inside a callback?
...d inside each function and its value only depends on how the function was called, not how/when/where it was defined. It is not affected by lexical scopes like other variables (except for arrow functions, see below). Here are some examples:
function foo() {
console.log(this);
}
// normal functio...