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Is there a method that calculates a factorial in Java?
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Good point! My first question was if 90!/85! simplified down because of a common denominator of 5, but actually, it was the common denominator of 85!. 90!/85! = 90*89*88*87*86*85!/85!. You can see it more clearly in that equality.
– HoldOffHunger
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How to “inverse match” with regex?
... value:
^(?:(?!Andrea).)*$
This is called a tempered greedy token. The downside is that it doesn't perform well.
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List all files and directories in a directory + subdirectories
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Some improved version with max lvl to go down in directory and option to exclude folders:
using System;
using System.IO;
class MainClass {
public static void Main (string[] args) {
var dir = @"C:\directory\to\print";
PrintDirectoryTree(dir, 2, new strin...
IE7 Z-Index Layering Issues
...acing position:relative; z-index:-1 on my main body content my header drop down content suddenly displayed above the body content in ie7 (it was already displaying without issue in all other browsers and in ie8+)
The problem with that was then this disabled all hover and click actions on all conten...
How to run eclipse in clean mode? what happens if we do so?
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I edited your post because I down voted it by mistake and this was the only possibility to up vote your post (to remove an empty line). Sorry for this insignificant change, but the votes were locked.
– ROMANIA_engineer
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Does Foreign Key improve query performance?
...ve performance at the time of reading
data but at the same time it slows down the performance at the time of
inserting / modifying / deleting data.
In case of reading the query, the optimizer can use foreign key constraints to
create more efficient query plans as foreign key
constraint...
iPhone viewWillAppear not firing
...oller (subclass of) // <-- still receives viewWill/Did..etc all the way down from a
Permanently add a directory to PYTHONPATH?
...t it did not work because my repos directory did not have _init_.py. Going down one directory further: /Users/joey/repos/specificRepo did the trick. Now python can traverse any downward directory connected to the specificRepo directory that contains a init.py !
– Qiao Yi
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PreparedStatement IN clause alternatives?
...l platforms, total SQL text size is limited, making impossible for sending down 2000 placeholders for the in params
sending down bind variables of 1000-10k is not possible, as the JDBC driver is having its limitations
The in() approach can be good enough for some cases, but not rocket proof :)
The ...
Stop UIWebView from “bouncing” vertically?
...ically? I mean when a user touches their iphone screen, drags their finger downwards, and the webview shows a blank spot above the web page I had loaded?
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