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How to var_dump variables in twig templates?
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As of Twig 1.5, the correct answer is to use the dump function. It is fully documented in the Twig documentation. Here is the documentation to enable this inside Symfony2.
{{ dump(user) }}
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Count the number occurrences of a character in a string
...doing this frequently, check out collections.Counter:
from collections import Counter
my_str = "Mary had a little lamb"
counter = Counter(my_str)
print counter['a']
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SQL-Server: The backup set holds a backup of a database other than the existing
I am trying to restore a SQL Server backup file for my database, but it is throwing an error as follow:
24 Answers
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XMLHttpRequest status 0 (responseText is empty)
...r via the file scheme. Make sure to place the files in your server (apache or tomcat whatever) and then open it via http protocol in the browser. (i.e. http://localhost/myfile.html) This is the solution.
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Deleting Objects in JavaScript
I'm a bit confused with JavaScript's delete operator. Take the following piece of code:
11 Answers
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Unix's 'ls' sort by name
Can you sort an ls listing by name?
11 Answers
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kill -3 to get java thread dump
...s - at the point in time it is run. You can also specify -l (lowercase L) for a long listing that prints additional lock information
– Joshua McKinnon
Feb 2 '11 at 18:44
2
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How to perform runtime type checking in Dart?
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The instanceof-operator is called is in Dart. The spec isn't exactly friendly to a casual reader, so the best description right now seems to be http://www.dartlang.org/articles/optional-types/.
Here's an example:
class Foo { }
main() {
var f...
Keyboard shortcuts are not active in Visual Studio with Resharper installed
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I would first try resetting all Visual Studio settings (Tools > Import and Export Settings > Reset all settings), then go to the Resharper > Options > Keyboard & Menus and re-apply the keyboard shortcut scheme.
I had to do something similar once.
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Chrome Development Tool: [VM] file from javascript
...to not invalidate the question. The latest codesearch link is: cs.chromium.org/%22VM%5C%22%20+%22 (direct link to search result in case the value changes again: chromium.googlesource.com/chromium/blink/+/…)
– Rob W
Jun 25 '15 at 17:25
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