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Set a cookie to never expire
...r and get sent to the client as a time near zero. (This is happening right now for 25-year cookies on PHP.)
– Riking
Apr 11 '13 at 22:28
84
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How do I wait for an asynchronously dispatched block to finish?
..._FOREVER);
} else {
while (dispatch_semaphore_wait(sema, DISPATCH_TIME_NOW)) {
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0]];
}
}
This should behave correctly even if runSomeLongOperationAndDo: decides that the operat...
Explain the use of a bit vector for determining if all characters are unique
...d plus it can store more flags.
For future reference: bit vector is also known as bitSet or bitArray. Here are some links to this data structure for different languages/platforms:
CPP: BitSet
Java: BitSet
C#: BitVector32 and BitArray
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Xcode doesn't see my iOS device but iTunes does
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Select Window ➜ Organizer in Xcode.
Now under Devices, select your device.
If it is not ready for development then click use for development.
If above doesn't solve your problem then from your project settings, set deployment target to one which your app is dev...
Eclipse: How do i refresh an entire workspace? F5 doesn't do it
...t it's no longer highlighted (but the P. Explorer still has focus)
F5 will now Refresh the entire workspace
Effectively F5 refreshes the Workspace when a navigation view has focus and nothing is selected.
share
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Do copyright dates need to be updated? [closed]
Every now and then I see a web site that has an old copyright date. In my mind, I always think "Look at the sucker who forgot to update his copyright year!" Then, while I was hard-coding a copyright year into the site I'm currently designing, it suddenly struck me:
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CORS - What is the motivation behind introducing preflight requests?
...onfused as to the purpose of the preflight request but I think I've got it now.
The key insight is that preflight requests are not a security thing. Rather, they're a not-changing-the-rules thing.
Preflight requests have nothing to do with security, and they have no bearing on applications that ...
How to make connection to Postgres via Node.js
...ta , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be, or how am I able to find out what it is.
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ReadOnlyCollection or IEnumerable for exposing member collections?
...s it just me or is this an answer to a different question? It's useful to know this "solution", but the op has asked for a comparison between returning a ReadOnlyCollection and IEnumerable. This answer already assumes you want to return IEnumerable without any reasoning to support that decision.
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Execute script after specific delay using JavaScript
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better to use Date.now() instead of new Date() and don't think about memory leaks
– WayFarer
Dec 4 '14 at 12:26
1
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