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How do I print the type or class of a variable in Swift?
...below to the new Swift 2.0 syntax (e.g. println was replaced with print, toString() is now String()).
From the Xcode 6.3 release notes:
@nschum points out in the comments that the Xcode 6.3 release notes show another way:
Type values now print as the full demangled type name when used with
p...
Difference between \w and \b regular expression meta characters
...tions that qualify as word boundaries:
Before the first character in the string, if the first character is
a word character.
After the last character in the string, if the
last character is a word character.
Between two characters in the
string, where one is a word character and the other is not a...
GitHub README.md center image
...
This works great, but using an anchor (#) over query string (?) is probably a better solution as I posted in this answer: stackoverflow.com/questions/255170/markdown-and-image-alignment/… - however I don't believe the github readme.md supports defining css.
...
Best way to add page specific JavaScript in a Rails 3 app?
...ge of the asset pipeline, minified js etc, it's possible to do so and have extra js assets which are combined and only loaded on specific pages by splitting your js into groups which only apply in certain controllers/views/sections of the site.
Move your js in assets into folders, with a separate ...
Difference between pre-increment and post-increment in a loop?
...value.
++a is known as prefix.
add 1 to a, returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(++i);
}
Console.WriteLine("");
i = 0;
foreach (string item in items)
{
Console.WriteLine(i++);
}
Output:
1
2
3
4
0...
How to copy commits from one branch to another?
...heckout v2.1
git merge wss-to-rebase
Note: the reason that it takes some extra work in order to do this is that it's creating duplicate commits in your repository. This isn't really a good thing - the whole point of easy branching and merging is to be able to do everything by making commit(s) one ...
Maintain model of scope when changing between views in AngularJS
...what you're after is use the following add ons
UI Router & UI Router Extras
These two will provide you with state based routing and sticky states, you can tab between states and all information will be saved as the scope "stays alive" so to speak.
Check the documentation on both as it's pret...
Django: Redirect to previous page after login
...
Actually this is not a good idea, you will find the query string very very long if you have too many clicks
– dspjm
Jun 21 '14 at 12:31
add a comment
...
FB OpenGraph og:image not pulling images (possibly https?)
...
Some properties can have extra metadata attached to them. These are specified in the same way as other metadata with property and content, but the property will have extra :
The og:image property has some optional structured properties:
og:image...
Choose between ExecutorService's submit and ExecutorService's execute
... });
service.shutdown();
}
public static void main(String args[]){
ExecuteSubmitDemo demo = new ExecuteSubmitDemo();
}
}
output:
java ExecuteSubmitDemo
creating service
a and b=4:0
Same code throws by replacing submit() with execute() :
Replace
service.subm...