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Way to get number of digits in an int?
...orks... unless the value you are checking = 0, which will give you odd results (-2147483647). Math.log10 API: "If the argument is positive zero or negative zero, then the result is negative infinity."
– mujimu
May 15 '12 at 15:22
...
Difference between abstract class and interface in Python
...when you have duck typing.
Java uses interfaces because it doesn't have multiple inheritance.
Because Python has multiple inheritance, you may also see something like this
class SomeAbstraction( object ):
pass # lots of stuff - but missing something
class Mixin1( object ):
def something(...
How to dismiss notification after action has been clicked
...rity(NotificationCompat.PRIORITY_MAX) //HIGH, MAX, FULL_SCREEN and setDefaults(Notification.DEFAULT_ALL) will make it a Heads Up Display Style
.setDefaults(Notification.DEFAULT_ALL) // also requires VIBRATE permission
.setSmallIcon(R.drawable.ic_action_refresh) // Required!
....
Rails: What's a good way to validate links (URLs)?
... want to use regular expressions. Instead of searching for one, use the built-in Ruby URI.parse method.
require 'uri'
def valid_url?(uri)
uri = URI.parse(uri) && uri.host
rescue URI::InvalidURIError
false
end
You can even decide to make it more restrictive. For instance, if you want th...
Ternary operator is twice as slow as an if-else block?
... jg 00000084
30: for (int x = 0; x < iterations; x++)
000000a0 41 inc ecx
000000a1 3B 4D F0 cmp ecx,dword ptr [ebp-10h]
000000a4 7C D6 jl 0000007C
X86, ternary
59: ...
How to write WinForms code that auto-scales to system font and dpi settings?
...anel1MinSize, Panel2MinSize and SplitterDistance properties
TextBox with MultiLine = True and Font inherited. Explicitly set Font on the control so it appears in bold in the Properties window.
ToolStripButton's image. In the form's constructor:
Set ToolStrip.AutoSize = False
Set ToolStrip.ImageSca...
Immutable vs Unmodifiable collection
...re that no other code has access to that modifiable collection. Note that although no code can change which objects the collection contains references to, the objects themselves may still be mutable - creating an immutable collection of StringBuilder doesn't somehow "freeze" those objects.
Basicall...
JavaScript - Getting HTML form values
...
HTML:
<input type="text" name="name" id="uniqueID" value="value" />
JS:
var nameValue = document.getElementById("uniqueID").value;
share
...
Hide text using css
...ecify a situation for negative indent so this could have unpredictable results
– Chris Farmiloe
Jan 23 '09 at 1:34
3
...
Lightweight Java Object cache API [closed]
...ample that demonstrates both its ease of use and its power:
ConcurrentMap<Key, Graph> graphs = new MapMaker()
.concurrencyLevel(32)
.softKeys()
.weakValues()
.expiration(30, TimeUnit.MINUTES)
.makeComputingMap(
new Function<Key, Graph>() {
public Graph app...