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How to show what a commit did?
A stupid way I know is:
5 Answers
5
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Objective-C: Property / instance variable in category
... do exactly what you're wanting:
#import <objc/runtime.h>
static void *MyClassResultKey;
@implementation MyClass
- (NSString *)test {
NSString *result = objc_getAssociatedObject(self, &MyClassResultKey);
if (result == nil) {
// do a lot of stuff
result = ...;
objc_setAss...
Difference between const & const volatile
...ode related the variable, usually when we know it can be changed from "outside", e.g. by another thread.
const will tell the compiler that it is forbidden for the program to modify the variable's value.
const volatile is a very special thing you'll probably see used exactly 0 times in your life (tm)...
Select Multiple Fields from List in Linq
... in your code:
var cats = listObject
.Select(i => new { i.category_id, i.category_name })
.Distinct()
.OrderByDescending(i => i.category_name)
.ToArray();
Since you (apparently) need to store it for later use, you could use the GroupBy operator:
Data[] cats = listObject
...
Android: How to enable/disable option menu item on button click?
...change the Options Menu any time after
it's first created, you must override
the onPrepareOptionsMenu() method.
This passes you the Menu object as it
currently exists. This is useful if
you'd like to remove, add, disable, or
enable menu items depending on the
current state of your appl...
Maven – Always download sources and javadocs
...e ... -->
<profiles>
<profile>
<id>downloadSources</id>
<properties>
<downloadSources>true</downloadSources>
<downloadJavadocs>true</downloadJavadocs>
</proper...
Angular.js directive dynamic templateURL
I have a custom tag in a routeProvider template that that calls for a directive template. The version attribute will be populated by the scope which then calls for the right template.
...
How can I properly handle 404 in ASP.NET MVC?
...SP.net MVC 1.0 as well
Here's how I handle http exceptions:
protected void Application_Error(object sender, EventArgs e)
{
Exception exception = Server.GetLastError();
// Log the exception.
ILogger logger = Container.Resolve<ILogger>();
logger.Error(exception);
Response.Cle...
Correct way to override Equals() and GetHashCode() [duplicate]
... hoping that someone could show me the correct what of implementing a override of Except() and GetHashCode() for my class.
...
SQL Server - inner join when updating [duplicate]
...'
FROM dbo.ProductReviews AS R
INNER JOIN dbo.products AS P
ON R.pid = P.id
WHERE R.id = '17190'
AND P.shopkeeper = '89137';
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