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Smallest data URI image possible for a transparent image
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After playing around with different transparent GIFs, some are unstable and cause CSS glitches. For example, if you have an <img> and you use the tiniest transparent GIF possible, it works fine, however, if you then want your transparent GIF to h...
How can I find out what version of git I'm running?
...tutorials to learn how to use Git but some of the instructions are for specific versions.
5 Answers
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How to style CSS role
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The shortest way to write a selector that accesses that specific div is to simply use
[role=main] {
/* CSS goes here */
}
The previous answers are not wrong, but they rely on you using either a div or using the specific id. With this selector, you'll be able to have all kinds of ...
Django Setup Default Logging
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@arindamroychowdhury With the above configuration if you do logger = logging.getLogger('foo'); logger.warn('bar'); then the default handler will catch that logging and something like <time> WARN: foo: bar will end up in logs/mylog.log
– Chris W.
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How do I do a HTTP GET in Java? [duplicate]
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If you want to stream any webpage, you can use the method below.
import java.io.*;
import java.net.*;
public class c {
public static String getHTML(String urlToRead) throws Exception {
StringBuilder result = new S...
Store print_r result into a variable as a string or text
If I use print_ r or var_dump it displays the result on the screen, but I want this data to be stored in a variable so that I can write it to a file.
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How do I convert a string to a lower case representation?
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If you happen to be too lazy to click through to the strings package, here's example code:
strings.ToLower("Hello, WoRLd") // => "hello, world"
If you need to handle a Unicode Special Case like Azeri or Turkish, you can...
What's the 'environment' task in Rake?
...our models and what not. Otherwise, it has no idea about those things.
So if you made a task that just did puts "HI!" then you don't need to add the :environment task to the dependencies. But if you wish to do something like User.find(1) well that will need it.
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Why is arr = [] faster than arr = new Array?
...s answers...
From a general compilers perspective and disregarding VM-specific optimizations:
First, we go through the lexical analysis phase where we tokenize the code.
By way of example, the following tokens may be produced:
[]: ARRAY_INIT
[1]: ARRAY_INIT (NUMBER)
[1, foo]: ARRAY_INIT (NUMBER,...
What is the AppDelegate for and how do I know when to use it?
...onality by "area of concern".
A delegate object is an object that gets notified when the object to which it is connected reaches certain events or states. In this case, the Application Delegate is an object which receives notifications when the UIApplication object reaches certain states. In many r...