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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...h a secure mechanism and both processes have to explicitly attach to it in order to use it.
The privileged mode is usually referred to as 'kernel' mode because the kernel is executed by the CPU running in this mode. In order to switch to kernel mode you have to issue a specific instruction (often ...
abort, terminate or exit?
...t successfully exits the
application, and calls atexit()
functions in LIFO order. I don't
normally see this in C++
applications, however, I do see it in
many unix based applications where it
sends an exit code at the end.
Usually a exit(0) indicates a
successful run of the application.
...
error opening HPROF file: IOException: Unknown HPROF Version
...s directory nevertheless. I had to chmod permissions in that directory in order for it to work.
– IgorGanapolsky
Feb 23 '12 at 23:56
...
What are the differences between virtual memory and physical memory?
...s you from the realm of caches and RAM to that of disk, which is slower by orders of magnitudes. Painfully, irrevocably, transcendentally slower. It is an I/O operation, which means it is not CPU bound (it is rather the exact opposite), which means it does not need to occupy RAM right now. However, ...
Better way to revert to a previous SVN revision of a file?
... to an SVN repository and changed some things I didn't mean to. (Sigh.) In order to revert them to their prior state, the best I could come up with was
...
jQuery: more than one handler for same event
...dler does not override an older handler.
The handlers will execute in the order in which they were bound.
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Html helper for
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Improved version of Paulius Zaliaduonis' answer:
In order to make the validation work properly I had to change the Model to:
public class ViewModel
{
public HttpPostedFileBase File { get; set; }
[Required(ErrorMessage="A header image is required"), FileExtensio...
Python dictionary: are keys() and values() always the same order?
... apparently the statement in the 3.x documentation is clearer: "the order of items will directly correspond"
– Shaohua Li
May 8 '16 at 3:49
...
How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...nd above you can use ROW_NUMBER function. eg.
USE AdventureWorks;
GO
WITH OrderedOrders AS
(
SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber'
FROM Sales.SalesOrderHeader
)
SELECT *
FROM OrderedOrders
WHERE RowNumber BETWEEN 51 AND 60; --BETWEEN i...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...orSpace,
kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
CGColorSpaceRelease(colorSpace);
CGContextDrawImage(context, CGRectMake(0, 0, width, height), imageRef);
CGContextRelease(context);
// Now your rawData contains the image data in the RGBA8888 pi...