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Can I load a UIImage from a URL?
...llpaper.net/iphone/img/app/i/p/iphone-4s-wallpapers-mobile-backgrounds-dark_2466f886de3472ef1fa968033f1da3e1_raw_1087fae1932cec8837695934b7eb1250_raw.jpg");
var err: NSError?
var imageData :NSData = NSData.dataWithContentsOfURL(url,options: NSDataReadingOptions.DataReadingMappedIfSafe, error...
Reverse a string in Python
... for readability and reusability, put the slice in a function
def reversed_string(a_string):
return a_string[::-1]
and then:
>>> reversed_string('a_string')
'gnirts_a'
Longer explanation
If you're interested in the academic exposition, please keep reading.
There is no built-i...
Split files using tar, gz, zip, or bzip2 [closed]
...is very close to the content of this answer:
# create archives
$ tar cz my_large_file_1 my_large_file_2 | split -b 1024MiB - myfiles_split.tgz_
# uncompress
$ cat myfiles_split.tgz_* | tar xz
This solution avoids the need to use an intermediate large file when (de)compressing. Use the tar -C opti...
SQL Server: Filter output of sp_who2
Under SQL Server, is there an easy way to filter the output of sp_who2? Say I wanted to just show rows for a certain database, for example.
...
Android: How to bind spinner to custom object list?
...ld, but just in case...
User object:
public class User{
private int _id;
private String _name;
public User(){
this._id = 0;
this._name = "";
}
public void setId(int id){
this._id = id;
}
public int getId(){
return this._id;
}
...
HTML input - name vs. id [duplicate]
...letter
Must not contain anything other than letters, numbers, underscores (_), dashes (-), colons (:), or periods (.)
Is case insensitive
In (X)HTML5, everything is the same except:
Name Attribute
Not valid on <form> anymore
XHTML says it must be all lowercase, but most browsers don't fol...
Changing the image source using jQuery
...s attr() function. For example, if your img tag has an id attribute of 'my_image', you would do this:
<img id="my_image" src="first.jpg"/>
Then you can change the src of your image with jQuery like this:
$("#my_image").attr("src","second.jpg");
To attach this to a click event, you could...
Inserting a tab character into text using C#
...at is NOT ALWAYS correctly aligned.
Example in VB.Net:
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
TextBox1.Text = "Bernard" + vbTab + "32"
TextBox2.Text = "Luc" + vbTab + "47"
TextBox3.Text = "François-Victor" + vbTab + "12"
End Sub
will display
...
When to delete branches in Git?
...u are actively developing.
Delete old branches with
git branch -d branch_name
Delete them from the server with
git push origin --delete branch_name
or the old syntax
git push origin :branch_name
which reads as "push nothing into branch_name at origin".
That said, as long as the DAG (dire...
How to crop circular area from bitmap in Android
...createBitmap(bitmap.getWidth(),
bitmap.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
paint.setAntiAlias(true...