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How do I choose between Semaphore and SemaphoreSlim?
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One difference is that SemaphoreSlim does not permit named semaphores, which can be system-wide...
How to list branches that contain a given commit?
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Add a -a parameter to also check remote branches.
– Raman
Jan 25 '12 at 23:45
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Git push error '[remote rejected] master -> master (branch is currently checked out)'
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Robert GouldRobert Gould
64.3k5757 gold badges174174 silver badges267267 bronze badges
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Join vs. sub-query
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I made very good experiences with sub-queries that contain a back-reference to the upper query, especially when it comes to row-counts abov...
ACE vs Boost vs POCO [closed]
...CP/IC socket connections and a serial port. The code runs on both 32 and 64 bit Linux. A few of the many ACE classes I have used are the ACE_Reactor, ACE_Time_Value, ACE_Svc_Handler, ACE_Message_Queue, ACE_Connector. ACE was a key factor to the success of our project. It does take a significan...
What is the difference between an int and an Integer in Java and C#?
... I don't know Java but there is not type Integer but Int32,Int64 and they are all struct which is value type. Primitive means in C# that types are defined in FCL (Framework Class Library) by CLR team and that's why they're called primitive. In this case even Date obj is called primitive...
What's the difference between libev and libevent?
...ng small watchers for each event type (an I/O watcher uses 56 bytes on x86_64 compared to 136 for libevent), allowing extra event types such as timers based on wallclock vs. monotonic time, inter-thread interruptions, prepare and check watchers to embed other event loops or to be embedded and so on....
Cannot set some HTTP headers when using System.Net.WebRequest
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ChmodChmod
96466 silver badges44 bronze badges
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Do declared properties require a corresponding instance variable?
...using the Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this.
When you @synthesize the property, the ivar will in effect be synthesized also for you. This gets around the "fragi...
Difference between numpy.array shape (R, 1) and (R,)
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ALIGNED : True
UPDATEIFCOPY : False
>>> a.dtype
dtype('int64')
>>> a.itemsize
8
>>> a.strides
(8,)
>>> a.shape
(12,)
Here the shape (12,) means the array is indexed by a single index which runs from 0 to 11. Conceptually, if we label this single index ...