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Check if a variable is a string in JavaScript
...isplays "string"
alert(typeof stringObject) // displays "object"
Example from this webpage. (Example was slightly modified though).
This won't work as expected in the case of strings created with new String(), but this is seldom used and recommended against[1][2]. See the other answers for how to...
git diff between cloned and original remote repository
...etch foobar
Fetch won't change your working copy.
3) Compare any branch from your local repository to any remote you've added:
git diff master foobar/master
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Readonly Properties in Objective-C?
...
I noticed that a class that inherits from a class that has class extension properties, will not see them. i.e inheritance only see the external interface. confirm?
– Yogev Shelly
Jul 2 '12 at 10:54
...
Sorting list based on values from another list?
...rted().
using a list comprehension extract the first elements of each pair from the sorted, zipped list.
For more information on how to set\use the key parameter as well as the sorted function in general, take a look at this.
...
How can I brew link a specific version?
...sql 0
Update (15.10.2014):
The brew versions command has been removed from brew, but, if you do wish to use this command first run brew tap homebrew/boneyard.
The recommended way to install an old version is to install from the homebrew/versions repo as follows:
$ brew tap homebrew/versions
$...
How to squash all git commits into one?
...ject
and emits the new commit object id on stdout. The log message is
read from the standard input, unless -m or -F options are given.
The expression HEAD^{tree} means the tree object corresponding to HEAD, namely the tip of your current branch. see Tree-Objects and Commit-Objects.
reset the curre...
Cleaner way to do a null check in C#? [duplicate]
...aintainable code. It tells programmers not to access anything too far away from the immediate scope. For example, suppose I have this code:
public interface BusinessData {
public decimal Money { get; set; }
}
public class BusinessCalculator : ICalculator {
public BusinessData CalculateMoney() ...
Reuse Cucumber steps
...od described below has been deprecated. The recommended way to call a step from within another step now looks like this:
Given /^I login successfully$/
step "I login with valid credentials"
end
Old, deprecated method (for reference):
You can call steps from other steps like this:
Given ...
Background task, progress dialog, orientation change - is there any 100% working solution?
I download some data from internet in background thread (I use AsyncTask ) and display a progress dialog while downloading. Orientation changes, Activity is restarted and then my AsyncTask is completed - I want to dismiss the progess dialog and start a new Activity. But calling dismissDialog someti...
AttributeError: 'module' object has no attribute 'urlopen'
... 2+3 compatible solution is:
import sys
if sys.version_info[0] == 3:
from urllib.request import urlopen
else:
# Not Python 3 - today, it is most likely to be Python 2
# But note that this might need an update when Python 4
# might be around one day
from urllib import urlopen
...