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What should my Objective-C singleton look like? [closed]
...tances of the singleton and attempt to CAS it into position. Whichever one wins the CAS returns immediately, whichever one loses releases the instance it just allocated and returns the (now set) sharedInstance. The single OSAtomicCompareAndSwapPtrBarrier acts as both a write barrier for the setting ...
How are the points in CSS specificity calculated
... = 0100h = 256 0,0,15,0 = 00f0h = 240 256 > 240 so the id selector wins.
– Matthew Wilson
May 11 '10 at 9:08
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CMake: Print out all accessible variables in a script
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Using the get_cmake_property function, the following loop will print out all CMake variables defined and their values:
get_cmake_property(_variableNames VARIABLES)
list (SORT _variableNames)
foreach (_variableName ${_variableNames})
message(STATUS "${_variableName}=${...
What exactly do “u” and “r” string flags do, and what are raw string literals?
...h of them -- that's all. It also gained some popularity to express native Windows file paths (with backslashes instead of regular slashes like on other platforms), but that's very rarely needed (since normal slashes mostly work fine on Windows too) and imperfect (due to the "except" clause above).
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WCF timeout exception detailed investigation
...ng on IIS7 and various clients querying the service. The server is running Win 2008 Server. The clients are running either Windows 2008 Server or Windows 2003 server. I am getting the following exception, which I have seen can in fact be related to a large number of potential WCF issues.
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Find the min/max element of an Array in JavaScript
...big arrays (~10⁷ elements), Math.min and Math.max both produces the following error in Node.js.
RangeError: Maximum call stack size exceeded
A more robust solution is to not add every element to the call stack, but to instead pass an array:
function arrayMin(arr) {
return arr.reduce(func...
What is the difference between Cygwin and MinGW?
I want to make my C++ project cross platform, and I'm considering using Cygwin/MinGW.
But what is the difference between them ?
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Android: How to bind spinner to custom object list?
...mplest Solution
After scouring different solutions on SO, I found the following to be the simplest and cleanest solution for populating a Spinner with custom Objects. Here's the full implementation:
User.java
public class User{
public int ID;
public String name;
@Override
public Str...
Web deployment task build failed
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Still at Feb 2016, i encountered this weird problem on windows server 2008R2 and your solution worked for me.
– Ehsan Mirsaeedi
Feb 4 '16 at 23:02
2
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Share cookie between subdomain and domain
...kie". See What is a host only cookie?)
For instance, if you sent the following header from subdomain.mydomain.com, then the cookie won't be sent for requests to mydomain.com:
Set-Cookie: name=value
However if you use the following, it will be usable on both domains:
Set-Cookie: name=value; doma...