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Is there any Rails function to check if a partial em>x m>ists?
When I render a partial which does not em>x m>ists, I get an Em>x m>ception. I'd like to check if a partial em>x m>ists before rendering it and in case it doesn't em>x m>ist, I'll render something else. I did the following code in my .erb file, but I think there should be a better way to do this:
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How do I add comments to package.json for npm install?
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Note that using multiple comments as in the first em>x m>ample { "//": "first", "//": "second"} prevents you from using npm version and other command line utils which usually reparse whole JSON and discard the duplicate keys in process.
– jakub.g
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How to change the background color of a UIButton while it's highlighted?
At some point in my app I have a highlighted UIButton (for em>x m>ample when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button).
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Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
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Nem>x m>t
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How often should you use git-gc?
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It depends mostly on how much the repository is used. With one user checking in once a day and a branch/merge/etc operation once a week you probably don't need to run it more than once a year.
With several dozen developers working on ...
Is it ok to use dashes in Python files when trying to import them?
...module names be chosen to be fairly short -- this won't be a problem on Unim>x m>, but it may be a problem when the code is transported to older Mac or Windows versions, or DOS.
In other words: rename your file :)
share
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MongoDB: Is it possible to make a case-insensitive query?
Em>x m>ample:
23 Answers
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
My current version of ruby is ruby 1.9.2p0 (2010-08-18 revision 29036) [m>x m>86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this?
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Capturing standard out and error with Start-Process
... = New-Object System.Diagnostics.ProcessStartInfo
$pinfo.FileName = "ping.em>x m>e"
$pinfo.RedirectStandardError = $true
$pinfo.RedirectStandardOutput = $true
$pinfo.UseShellEm>x m>ecute = $false
$pinfo.Arguments = "localhost"
$p = New-Object System.Diagnostics.Process
$p.StartInfo = $pinfo
$p.Start() | Out-N...
Constantly print Subprocess output while process is running
...as the command outputs them: lines = iter(fd.readline, ""). Here's a full em>x m>ample showing a typical use case (thanks to @jfs for helping out):
from __future__ import print_function # Only Python 2.m>x m>
import subprocess
def em>x m>ecute(cmd):
popen = subprocess.Popen(cmd, stdout=subprocess.PIPE, unive...