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Hidden Features of ASP.NET [closed]
... named app_offline.htm
in the root of a web application directory, ASP.NET 2.0+ will shut-down the application and stop normal processing any new incoming requests for that application, showing only the contents of the app_offline.htm file for all new requests.
This is the quickest and easiest way ...
Sending a message to nil in Objective-C
As a Java developer who is reading Apple's Objective-C 2.0 documentation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
...
What is thread safe or non-thread safe in PHP?
... the Server API entry. This could say something like CGI/FastCGI or Apache 2.0 Handler.
If you also look at the command-line version of PHP -- thread safety does not matter.
Finally, if thread-safety doesn't matter so which version should you use -- the thread-safe or the non-thread-safe? Frankly,...
Best way to remove from NSMutableArray while iterating?
...e items to delete. Then I delete them. Here's a sample using Objective-C 2.0 syntax:
NSMutableArray *discardedItems = [NSMutableArray array];
for (SomeObjectClass *item in originalArrayOfItems) {
if ([item shouldBeDiscarded])
[discardedItems addObject:item];
}
[originalArrayOfItems ...
Does Typescript support the ?. operator? (And, what's it called?)
...ly:
Edit: I have updated the answer thanks to fracz comment.
TypeScript 2.0 released !. It's not the same as ?.(Safe Navigator in C#)
See this answer for more details:
https://stackoverflow.com/a/38875179/1057052
This will only tell the compiler that the value is not null or undefined. This wi...
Edit and Continue: “Changes are not allowed when…”
... many rough edges and it's better to not use MbUnit 3.0 but use the MbUnit 2.0 framework but use the gallio runner, that you are running without installing from the installer (which also installed a visual studio plugin).
Incidentally, I had the issue even after "disabling" he Gallio plugin. Only t...
How can I verify if a Windows Service is running
I have an application in C# (2.0 running on XP embedded) that is communicating with a 'watchdog' that is implemented as a Windows Service. When the device boots, this service typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this?
...
SQL Server String or binary data would be truncated
...ssion or server level.
Note that for now, even in SQL Server 2019 CTP 2.0 the same trace flag 460 needs to be enabled. In a future SQL Server 2019 release, message 2628 will replace message 8152 by default.
SQL Server 2017 CU12 also supports this feature.
Improvement: Optional replacement ...
How to calculate the angle between a line and the horizontal axis?
...this function like this, and negative the Y coordinates:
Example in Swift 2.0
func angle_between_two_points(pa:CGPoint,pb:CGPoint)->Double{
let deltaY:Double = (Double(-pb.y) - Double(-pa.y))
let deltaX:Double = (Double(pb.x) - Double(pa.x))
var a = atan2(deltaY,deltaX)
while a ...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...
SWIFT 2.0
simple:
let myString = "full text container"
let substring = myString[myString.startIndex..<myString.startIndex.advancedBy(3)] // prints: ful
SWIFT 3.0
let substring = myString[myString.startIndex..<myString.in...