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Number of occurrences of a character in a string [duplicate]
...rge and (almost) entirely made up of repeated delimiters (&), it could allocate 12-24x the original size of the string due to object overheads in .Net. I would go with the second approach, and if that's not fast enough then write a for loop.
– Niall Connaughton
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What is a bus error?
... when your processor cannot even attempt the memory access requested, typically:
using a processor instruction with an address that does not satisfy its alignment requirements.
Segmentation faults occur when accessing memory which does not belong to your process, they are very common and are typ...
Should I always return IEnumerable instead of IList?
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It really depends on why you are using that specific interface.
For example, IList<T> has several methods that aren't present in IEnumerable<T>:
IndexOf(T item)
Insert(int index, T item)
RemoveAt(int index)
and Pr...
Change the mouse cursor on mouse over to anchor-like style
... $(document).ready() or body onload: (replace myClass with whatever class all of your divs share)
$('.myClass').css('cursor', 'pointer');
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Selenium wait until document is ready
...etely? I want something generic, I know I can configure WebDriverWait and call something like 'find' to make it wait but I don't go that far. I just need to test that the page loads successfully and move on to next page to test.
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Disable Enable Trigger SQL server for a table
...nswered Sep 7 '09 at 7:54
Wael DalloulWael Dalloul
19.4k1111 gold badges4444 silver badges5555 bronze badges
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What is the difference between a User Control Library and a Custom Control Library?
... control base classes and provide additional functionality through code so all the added logic and representation must be implemented inside the code.
A user control is technically a normal content control which you can extend in some parts in the code but usually it is extended by placing other c...
Why should you use an ORM? [closed]
... of ORM's, I'd propose that the use-case is fairly limited. I have never really used anything but MySql and sqlite for about a decade. I think it's probably a very rare requirement for most developers.
– troelskn
Dec 29 '09 at 12:44
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XML parsing of a variable string in JavaScript
...cript framework like jQuery to handle the cross-browsers differences.
A really basic example is:
var xml = "<music><album>Beethoven</album></music>";
var result = $(xml).find("album").text();
Note: As pointed out in comments; jQuery does not really do any XML parsing wha...
How do I find which transaction is causing a “Waiting for table metadata lock” state?
...S
We can use INFORMATION_SCHEMA Tables.
Useful Queries
To check about all the locks transactions are waiting for:
USE INFORMATION_SCHEMA;
SELECT * FROM INNODB_LOCK_WAITS;
A list of blocking transactions:
SELECT *
FROM INNODB_LOCKS
WHERE LOCK_TRX_ID IN (SELECT BLOCKING_TRX_ID FROM INNODB_L...