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ExecJS and could not find a JavaScript runtime
I'm trying to use the Mongoid / Devise Rails 3.1 template ( Mongoid and Devise ), and I keep getting an error stating ExecJS cannot find a JavaScript runtime. Fair enough when I didn't have any installed, but I've tried installing Node.js , Mustang and the Ruby Racer , but nothing is work...
Import CSV to SQLite
...ments, SQLite sees your input as 1, 25, 62, 7. I also had a problem with , and in my case it was solved by changing "separator ," into ".mode csv". So you could try:
sqlite> create table foo(a, b);
sqlite> .mode csv
sqlite> .import test.csv foo
The first command creates the column names ...
Intro to GPU programming [closed]
...
You get programmable vertex and
pixel shaders that allow execution
of code directly on the GPU to
manipulate the buffers that are to
be drawn. These languages (i.e.
OpenGL's GL Shader Lang and High
Level Shader Lang and DirectX's equivalents
), are C s...
Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
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Best lightweight web server (only static content) for Windows [closed]
...c content only web server on this same machine which will relive IIS form handling static content and increase performance.
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Does Java have a path joining method? [duplicate]
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This concerns Java versions 7 and earlier.
To quote a good answer to the same question:
If you want it back as a string later, you can call getPath(). Indeed, if you really wanted to mimic Path.Combine, you could just write something like:
public stati...
What is a lambda expression in C++11?
...a, it looks for a type conversion which allows it, which includes implicit-cast-to-function-pointer, and then calls that! Sneaky!
– Yakk - Adam Nevraumont
Apr 1 '13 at 0:55
2
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Collapse sequences of white space into a single character and trim string
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OS X 10.7+ and iOS 3.2+
Use the native regexp solution provided by hfossli.
Otherwise
Either use your favorite regexp library or use the following Cocoa-native solution:
NSString *theString = @" Hello this is a long ...
Save bitmap to location
...function to download an image from a web server, display it on the screen, and if the user wishes to keep the image, save it on the SD card in a certain folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder of my choice?
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How can i use iptables on centos 7? [closed]
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It is possible to go back to a more classic iptables setup. First, stop and mask the firewalld service:
systemctl stop firewalld
systemctl mask firewalld
Then, install the iptables-services package:
yum install iptables-services
Enable the service at boot-time:
systemctl enable iptables
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