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Cannot install packages using node package manager in Ubuntu
... node ) on Ubuntu has been renamed to nodejs because of a name conflict with another package. Here's what the readme. Debian says:
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Easy way to test a URL for 404 in PHP?
...you can check the error code using curl_getinfo as such:
$handle = curl_init($url);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE);
/* Get the HTML or whatever is linked in $url. */
$response = curl_exec($handle);
/* Check for 404 (file not found). */
$httpCode = curl_getinfo($handle, CURLIN...
Bash foreach loop
...like this would do:
xargs cat <filenames.txt
The xargs program reads its standard input, and for each line of input runs the cat program with the input lines as argument(s).
If you really want to do this in a loop, you can:
for fn in `cat filenames.txt`; do
echo "the next file is $fn"
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Loop through Map in Groovy?
...have a very simple task I am trying to do in Groovy but cannot seem to get it to work. I am just trying to loop through a map object in groovy and print out the key and value but this code does not work.
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Best practices for catching and re-throwing .NET exceptions
...ou to pass an exception (which is recommended).
Karl Seguin has a great write up on exception handling in his foundations of programming e-book as well, which is a great read.
Edit: Working link to Foundations of Programming pdf. Just search the text for "exception".
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slashes in url variables
...this as a / and breaks the route unless AllowEncodedSlashes directive is switched on (by default it's switched off)
– chim
Nov 7 '14 at 10:41
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UINavigationController without navigation bar?
I have a universal app, and on the iPad version I'm using UISplitViewController to create an interface similar to the Mail app.
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How can I pass data from Flask to JavaScript in a template?
... am using the Google Maps API in the JS, specifically, so I'd like to pass it a list of tuples with the long/lat information. I know that render_template will pass these variables to the view so they can be used in HTML, but how could I pass them to JavaScript in the template?
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Intent - if activity is running, bring it to front, else start a new one (from notification)
My app has notifications, which - obviously - without any flags, start a new activity every time so I get multiple same activities running on top of each other, which is just wrong.
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Django - How to rename a model field using South?
...e', 'name')
The first argument of db.rename_column is the table name, so it's important to remember how Django creates table names:
Django automatically derives the name of the database table from the name of your model class and the app that contains it. A model's database table name is const...