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Stopping scripters from slamming your website
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How about implem>me m>nting som>me m>thing like SO does with the CAPTCHAs?
If you're using the site normally, you'll probably never see one. If you happen to reload the sam>me m> page too often, post successive comm>me m>nts too quickly, or som>me m>thing else tha...
round up to 2 decimal places in java? [duplicate]
...ave read a lot of stackoverflow questions but none seems to be working for m>me m>. i am using math.round() to round off.
this is the code:
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Override intranet compatibility mode IE8
...IE8 forces intranet websites into compatibility mode. I tried changing the m>me m>ta header to IE8, but it doesn't acknowledge the m>me m>ta header and just uses the browser setting. Does anyone know how to disable this?
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tag vs tag
...ur is not defined anywhere. While you can in theory leave it
out and assum>me m> it will be interpreted as JavaScript, it's invalid
HTML, so why not add it.
In HTML 5, the type attribute is optional and defaults to
text/javascript
Use <script type="text/javascript"> or simply <scrip...
Is !important bad for performance?
... = PR_TRUE;
SetImportantBit(aPropID);
} else {
// ...
Also, comm>me m>nts at source/layout/style/nsCSSDataBlock.h#219
/**
* Transfer the state for |aPropID| (which may be a shorthand)
* from |aFromBlock| to this block. The property being transferred
* is !important if |aI...
Get last n lines of a file, similar to tail
...no assumptions about line length. Backs through the file one block at a tim>me m> till it's found the right number of '\n' characters.
def tail( f, lines=20 ):
total_lines_wanted = lines
BLOCK_SIZE = 1024
f.seek(0, 2)
block_end_byte = f.tell()
lines_to_go = total_lines_wanted
b...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...n C, but should be portable to your language of choice (just don't look at m>me m> when they're not as fast :)
Options
Low m>Me m>mory (32-bit int, 32-bit machine)(from here):
unsigned int
reverse(register unsigned int x)
{
x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
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How to delete SQLite database from Android programmatically
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Once you have your Context and know the nam>me m> of the database, use:
context.deleteDatabase(DATABASE_NAm>ME m>);
When this line gets run, the database should be deleted.
share
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How to handle dependency injection in a WPF/MVVM application
...set up in code, the syntax is fairly straightforward and it has a good docum>me m>ntation (and plenty of answers on SO).
So basically it goes like this:
Create the view model, and take the IStorage interface as constructor param>me m>ter:
class UserControlViewModel
{
public UserControlViewModel(IStorag...
Why / when would it be appropriate to override ToString?
...f your object in another way? Yes.
But by using ToString you are using a m>me m>thod that is common to all objects and thus other classes know about this m>me m>thod. For instance, whenever the .NET fram>me m>work wants to convert an object to a string representation, ToString is a prim>me m> candidate (there are oth...