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How to use a RELATIVE path with AuthUserFile in htaccess?
...k around that limitation.
We're using IfDefine together with an apache2 command line parameter:
.htaccess (suitable for both development and live systems):
<IfDefine !development>
AuthType Basic
AuthName "Say the secret word"
AuthUserFile /var/www/hostname/.htpasswd
Require valid-...
How to migrate back from initial migration in Django 1.7?
...now I noticed that some of the models are poorly thought out. As I haven't committed the code the sensible thing would be to migrate the database to last good state and redo the migration with better models. In this case the last good state is database where the new app doesn't exist.
...
Image resizing client-side with JavaScript before upload to the server
...
Here's a gist which does this:
https://gist.github.com/dcollien/312bce1270a5f511bf4a
(an es6 version, and a .js version which can be included in a script tag)
You can use it as follows:
<input type="file" id="select">
<img id="preview">
<script>
document....
Generic type parameter naming convention for Java (with multiple chars)?
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Oracle recommends the following in Java Tutorials > Generics > Generic Types:
Type Parameter Naming Conventions
By convention, type parameter names are single, uppercase letters. This stands in sharp contrast to the variable na...
Side-by-side plots with ggplot2
...lots on a grid)
The function grid.arrange() in the gridExtra package will combine multiple plots; this is how you put two side by side.
require(gridExtra)
plot1 <- qplot(1)
plot2 <- qplot(1)
grid.arrange(plot1, plot2, ncol=2)
This is useful when the two plots are not based on the same dat...
How to check if my string is equal to null?
...= null && !myString.isEmpty()) {
// doSomething
}
As further comment, you should be aware of this term in the equals contract:
From Object.equals(Object):
For any non-null reference value x, x.equals(null) should return false.
The way to compare with null is to use x == null an...
Google Maps API v3: How to remove all markers?
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community wiki
8 revs, 8 users 58%anon
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Search an Oracle database for tables with specific column names?
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Does Java support default parameter values?
...tic factory methods instead of constructors) if the overloading is getting complicated. For other methods, renaming some cases or using a parameter object can help. This is when you have enough complexity that differentiating is difficult. A definite case is where you have to differentiate using the...