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Set the maximum character length of a UITextField
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Calculate the median of a billion numbers
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edited Apr 3 '10 at 14:56
answered Apr 3 '10 at 14:15
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How can I reliably get an object's address when operator& is overloaded?
...a bit of black magic, but it does simplify the work (rather than providing 4 overloads). Note that since T is unqualified, if we pass a ghost const&, then T* is ghost const*, thus the qualifiers have not really been lost.
EDIT: the pointer overload is used for pointer to functions, I amended th...
Finding sum of elements in Swift array
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479
This is the easiest/shortest method I can find.
Swift 3 and Swift 4:
let multiples = [...]
l...
Could not load NIB in bundle
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214
Visit the properties of the .xib files in the file inspector ，the property "Target Membership"...
find filenames NOT ending in specific extensions on Unix?
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HardyHardy
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
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(source: springsource.com)
and: http://blog.springsource.org/2011/04/01/routing-topologies-for-performance-and-scalability-with-rabbitmq/
Finally, in regards to redis, yes, it can be used as a message broker, and can do well. However, Rabbitmq has more message queuing features than redis, a...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...iber 接受信息，同时将信息，转发到外网，其结构图如图 4 所示。
图4：ZMQ 的扩展模式
六、多个服务器
ZMQ 和 Socket 的区别在于，前者支持N：M的连接，而后者则只是1：1的连接，那么一个 Client 连接多个 Server 的情况是怎样的...
What is the best algorithm for overriding GetHashCode?
... find it's better to pick a large prime to multiply by instead. Apparently 486187739 is good... and although most examples I've seen with small numbers tend to use primes, there are at least similar algorithms where non-prime numbers are often used. In the not-quite-FNV example later, for example, I...
In Python how should I test if a variable is None, True or False
...ry:
result = simulate(open("myfile"))
except SimulationException as sim_exc:
print "error parsing stream", sim_exc
else:
if result:
print "result pass"
else:
print "result fail"
# execution continues from here, regardless of exception or not
And now you can have a ...