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How to delete migration files in Rails 3
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Run below commands from app's home directory:
rake db:migrate:down VERSION="20140311142212" (here version is the timestamp prepended by rails when migration was created. This action will revert DB changes due to this migration)
Run "rails des...
Custom fonts and XML layouts (Android)
...t) {
Typeface tf = null;
try {
tf = Typeface.createFromAsset(ctx.getAssets(), asset);
} catch (Exception e) {
Log.e(TAG, "Could not get typeface: "+e.getMessage());
return false;
}
setTypeface(tf);
return true;
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git:// protocol blocked by company, how can I get around that?
...want to take advantage of convenient key authentication. I also use repos from Github, but my corporate firewall blocks SSH to Github. I don't want to simply replace all instances of 'git://' with 'https://' as that would break gitlab. The solution is git config --global url."https://github".inst...
PHP: Count a stdClass object
I have a stdClass object created from json_decode that won't return the right number when I run the count($obj) function. The object has 30 properties, but the return on the count() function is say 1.
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How do I copy an entire directory of files into an existing directory using Python?
Run the following code from a directory that contains a directory named bar (containing one or more files) and a directory named baz (also containing one or more files). Make sure there is not a directory named foo .
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Getting “Skipping JaCoCo execution due to missing execution data file” upon executing JaCoCo
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jacoco-maven-plugin:0.7.10-SNAPSHOT
From jacoco:prepare-agent that says:
One of the ways to do this in case of maven-surefire-plugin - is to
use syntax for late property evaluation:
<plugin>
<groupId>org.apache.maven.plugins</groupId>...
What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...ttern. Since the Subject class can maintain a list of classes that inherit from 'Observer', without actually knowing the concrete type of those classes, this is an instance of loose coupling. The Subject doesn't depend on any of its Observers or their internal concerns. The observers don't depend on...
Detect rotation of Android phone in the browser with JavaScript
...0 degree turns
setInterval(checkOrientation, 2000);
Here are the results from the four devices that I've tested (sorry for the ASCII table, but it seemed like the easiest way to present the results). Aside from the consistency between the iOS devices, there is a lot of variety across devices. NOTE...
Using scp to copy a file to Amazon EC2 instance?
I am trying to use my Mac Terminal to scp a file from Downloads (phpMyAdmin I downloaded online) to my Amazon EC2 instance.
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python capitalize first letter only
...wer is not correct. . capitalize will also transform other chars to lower. From official docs: "Return a titlecased version of S, i.e. words start with title case characters, all remaining cased characters have lower case."
– karantan
Jan 3 '17 at 11:34
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