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What is the difference between $(command) and `command` in shell programming?
...uly 2014: The commit f25f5e6 (by Elia Pinto (devzero2000), April 2014, Git 2.0) adds to the nesting issue:
The backquoted form is the traditional method for command substitution, and is supported by POSIX.
However, all but the simplest uses become complicated quickly.
In particular, embedded...
Targeting both 32bit and 64bit with Visual Studio in same solution/project
...t file in the Solution Explorer, select Unload Project, then right-click again and select Edit). After adding a reference to, say, the x86 version of an assembly, your project file will contain something like:
<Reference Include="Filename, ..., processorArchitecture=x86">
<HintPath>C:...
Referencing system.management.automation.dll in Visual Studio
...
@ashes999 PowerShell 2.0 actually runs on the 1.0 DLL.
– kravits88
Sep 23 '13 at 12:16
3
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Making the iPhone vibrate
...
Swift 2.0+
AudioToolbox now presents the kSystemSoundID_Vibrate as a SystemSoundID type, so the code is:
import AudioToolbox.AudioServices
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
AudioServicesPlayAlertSound(kSystemSou...
How to merge a transparent png image with another image using PIL
...lso contains transparency. You need to use real Alpha Compositing.
Pillow 2.0 contains an alpha_composite function that does this.
background = Image.open("test1.png")
foreground = Image.open("test2.png")
Image.alpha_composite(background, foreground).save("test3.png")
EDIT: Both images need to...
Check if the number is integer
...rustrating that R doesn't present the result of the initial calculation as 2.0 to represent that the value has some decimal component) see... stackoverflow.com/questions/1535021/…
– John
Aug 13 '10 at 13:52
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Bootstrap: how do I change the width of the container?
... won't use the LESS files. I built my first Twitter Bootstrap theme using 2.0, and I did everything in CSS -- creating an override.css file. It took days to get things to work correctly.
Now we have 3.0. Let me assure you that it takes less time to learn LESS, which is pretty straight forward if...
How can I view MSIL / CIL generated by C# compiler? Why is it called assembly?
...em.
If I may recommend a good book on that matter too, it's Expert .NET 2.0 IL Assembler by Serge Lidin. He's the guy who designed MSIL.
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How do I associate file types with an iPhone application?
...on.
For example, my application Molecules (for which the source code is available) handles the .pdb and .pdb.gz file types, if received via email or in another supported application.
To register support, you will need to have something like the following in your Info.plist:
<key>CFBundleDoc...
X-Frame-Options Allow-From multiple domains
... using the frame-ancestors directive.
frame-ancestors supports multiple domains and even wildcards, for example:
Content-Security-Policy: frame-ancestors 'self' example.com *.example.net ;
Unfortunately, for now, Internet Explorer does not fully support Content-Security-Policy.
UPDATE: MDN has r...