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How to set commands output as a variable in a batch file
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+Santiago Villafuerte: yes, if you're running from a batch file, but if you want to run it from the command line yourself (for example: to test it before putting it in the batch file) then you use a single %.
– Brent Rittenhouse
Oct...
How do I iterate over the words of a string?
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For what it's worth, here's another way to extract tokens from an input string, relying only on standard library facilities. It's an example of the power and elegance behind the design of the STL.
#include <iostream>
#include <string>
#include <sstream>
#include &...
How to Validate a DateTime in C#?
...arators, e.g. 011508.
Here's an example of how to support this. (This is from a framework I'm building, so its signature is a little weird, but the core logic should be usable):
private static readonly Regex ShortDate = new Regex(@"^\d{6}$");
private static readonly Regex LongDate = new R...
How to customize the background/border colors of a grouped table view cell?
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One thing I ran into with the above CustomCellBackgroundView code from Mike Akers which might be useful to others:
cell.backgroundView doesn't get automatically redrawn when cells are reused, and changes to the backgroundView's position var don't affect reused cells. That means long tables...
swap fragment in an activity via animation
...late xmlns:android="http://schemas.android.com/apk/res/android"
android:fromXDelta="-100%"
android:toXDelta="0"
android:interpolator="@android:anim/decelerate_interpolator"
android:duration="500"/>
</set>
Note that this is the animation if you are using the compatibility libra...
How to convert Milliseconds to “X mins, x seconds” in Java?
...When he finishes, I will subtract the current System.currentTimeMillis() from the start variable, and I want to show them the time elapsed using a human readable format such as "XX hours, XX mins, XX seconds" or even "XX mins, XX seconds" because its not likely to take someone an hour.
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How do I read from parameters.yml in a controller in symfony2?
...hod in the controller uses the container too, but it can only get services from a container, not parameters. You need getParameter to get parameters.
– Wouter J
Dec 16 '12 at 12:55
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Get Context in a Service
Is there any reliable way to get a Context from a Service ?
6 Answers
6
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How to use Active Support core extensions
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Does this work from the console? This is working for me:
$ sw_vers
ProductName: Mac OS X
ProductVersion: 10.6.5
BuildVersion: 10H574
$ rails c
Loading development environment (Rails 3.0.3)
>> 1.week.ago
=> Sun, 14 Nov 2010 1...
Negation in Python
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Combining the input from everyone else (use not, no parens, use os.mkdir) you'd get...
specialpathforjohn = "/usr/share/sounds/blues"
if not os.path.exists(specialpathforjohn):
os.mkdir(specialpathforjohn)
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