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Send response to all clients except sender
... use socket.emit back who sends it or you can group the conncected clients and do @Crashalot
– ujwal dhakal
Nov 19 '15 at 18:36
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
...uld mean that there was a problem.
If the value can be missing or present and both are valid for the application logic then return a null.
More important: What do you do other places in the code? Consistency is important.
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What is thread contention?
...he most obvious example of contention is on a lock. If thread A has a lock and thread B wants to acquire that same lock, thread B will have to wait until thread A releases the lock.
Now, this is platform-specific, but the thread may experience slowdowns even if it never has to wait for the other th...
Turn off spell checking in Eclipse for good
...oys me with Eclipse. Somebody has decided what the default Preferences are and there is no way for us to change them. So we are left with this quite complicated maneuver every time we open up a new workspace.
– darius
Jun 10 '11 at 10:22
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What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
What is the difference between Unidirectional and Bidirectional associations?
4 Answers
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Sort JavaScript object by key
...swers to this question are outdated, never matched implementation reality, and have officially become incorrect now that the ES6/ES2015 spec has been published.
See the section on property iteration order in Exploring ES6 by Axel Rauschmayer:
All methods that iterate over property keys do so ...
How do I create a unique constraint that also allows nulls?
...er below.
Prior to SQL Server 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEWID().
Update the existing values to NEWID() where NULL before creating the UNIQUE constraint.
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How does “304 Not Modified” work exactly?
...e then does the browser need to make the request? (as it could stub in 304 and not make the request at all)... you want this e.g. with "fingerprinted" assets (they're good forever). Else what's the point of max-age...
– Andy Hayden
Apr 6 '16 at 7:16
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How to convert java.sql.timestamp to LocalDate (java8) java.time?
...In our case atZone(zoneId) made it explicit that we are doing a conversion and using a particular timezone for it.
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Use-case of `oneway void` in Objective-C?
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and I thought the only way to fire network tasks is to sub-thread them...using gcd_async and its friends..
– Nirav Bhatt
May 17 '16 at 13:34
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