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What is a “first chance exception”?
What exactly is a first chance exception? How and where does it originate in a .NET program? And why is it called by that peculiar name (what 'chance' are we talking about)?
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Proper use of beginBackgroundTaskWithExpirationHandler
...Key:taskKey];
Optionally, if you want to provide a completion block that does something beyond ending the task (which is built in) you can call:
NSUInteger taskKey = [[BackgroundTaskManager sharedTasks] beginTaskWithCompletionHandler:^{
//do stuff
}];
Relevant source code available below (...
Event system in Python
...he bare bones of how this works (see Lennart's answer). Note: this example does not even support handler arguments.
LongPoke's 'callable list' implementation shows that such an event system can be implemented very minimalistically by subclassing list.
Felk's variation EventHook also ensures the sign...
Variable number of arguments in C++?
...azer it is not a language or library requirement, but the standard library doesn't give you means to tell the length of the list. You need the caller to give you this information or else somehow figure it out yourself. In the case of printf(), for example, the function parses the string argument for...
Why are my basic Heroku apps taking two seconds to load?
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You should check out Tom Robinson's answer to "Scalability: How Does Heroku Work?" on Quora: http://www.quora.com/Scalability/How-does-Heroku-work
Heroku divides up server resources among many different customers/applications. Your app is allotted blocks of computing power. Heroku partit...
Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
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Are you answering at the question "what does the warning mean" or at the question "how to remove it"? Because I agree with you, that's what the warning means, but using the function the warning stays there. I have it right now on a $name = filter_input(INPUT_POST, ...
Writing a compiler in its own language
...inary of the target system.)
make bootstrap
The 'bootstrap' target does not just compile GCC, but compiles it several times. It uses the programs compiled in a first
round to compile itself a second time, and then again a third time. It then compares these second and third
compil...
Replace a value if null or undefined in JavaScript
...= null;
var j = i || 10; //j is now 10
Note that the logical operator || does not return a boolean value but the first value that can be converted to true.
Additionally use an array of objects instead of one single object:
var options = {
filters: [
{
name: 'firstName',
...
S3 Static Website Hosting Route All Paths to Index.html
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It does not workin safari and is a big problem with the deployment strategy. Writing a small js to redirect is kind of shabby approach. Also, the number of redirects is a problem too. I am trying to figure if there is a way for ...
Difference between matches() and find() in Java Regex
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matches(); does not buffer, but find() buffers. find() searches to the end of the string first, indexes the result, and return the boolean value and corresponding index.
That is why when you have a code like
1:Pattern.compile("[a-z]...