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Rails: around_* callbacks
...classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
...
How to replace multiple strings in a file using PowerShell
... PowerShell to continue parsing the expression on the next line:
$original_file = 'path\filename.abc'
$destination_file = 'path\filename.abc.new'
(Get-Content $original_file) | Foreach-Object {
$_ -replace 'something1', 'something1aa' `
-replace 'something2', 'something2bb' `
-re...
Chrome hangs after certain amount of data transfered - waiting for available socket
...ins and serve them directly with Nginx for example.
Create a subdomain called img.yoursite.com and load all your images
from there.
Create a subdomain called scripts.yourdomain.com and load all your JS and CSS files from there.
Create a subdomain called sounds.yoursite.com and load all your MP3s...
Converting a Java collection into a Scala collection
... but you can also avoid using jcl.Buffer:
Set(javaApi.query(...).toArray: _*)
Note that scala.collection.immutable.Set is made available by default thanks to Predef.scala.
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File Upload using AngularJS
...er browsers:
https://github.com/leon/angular-upload - uses iframes as a fallback
https://github.com/danialfarid/ng-file-upload - uses FileAPI/Flash as a fallback
And some other options:
https://github.com/nervgh/angular-file-upload/
https://github.com/uor/angular-file
https://github.com/twilso...
Mongoose query where value is not null
...ry The up-to-date doc about it, is here: mongoosejs.com/docs/api.html#query_Query-ne
– zeropaper
Jul 20 '14 at 7:52
Ho...
What is the maximum recursion depth in Python, and how to increase it?
...mple context manager like this:
import sys
class recursionlimit:
def __init__(self, limit):
self.limit = limit
self.old_limit = sys.getrecursionlimit()
def __enter__(self):
sys.setrecursionlimit(self.limit)
def __exit__(self, type, value, tb):
sys.setr...
How do I remove a project configuration in Visual Studio 2008?
... wish Visual Studio offered a quicker way to remove a configuration across all projects. If you have a dozen projects or so in a solution it's a pain to go through each of them and manually delete the configuration.
– Stefano Ricciardi
Aug 23 '11 at 9:43
...
Detect Android phone via Javascript / jQuery
...re reported by Kindle Fire HD devices do not contain the word 'android' at all.
– djbp
Jun 11 '13 at 13:54
...
Undefined symbols for architecture armv7
... header and do not link against the correct library. This is common, especially for headers for libraries like QuartzCore since it is not included in projects by default. To resolve:
Add the correct libraries in the Link Binary With Libraries section of the Build Phases.
If you want to add a libra...