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How to create a generic array in Java?
... of implementing a generic collection in Effective Java; Item 26. No type errors, no need to cast the array repeatedly. However this triggers a warning because it is potentially dangerous, and should be used with caution. As detailed in the comments, this Object[] is now masquerading as our E[] t...
Immutable vs Mutable types
...ing that is immutable. You can not change its content. It will raise a TypeError if you try to change it. Also, if we assign new content, a new object is created instead of the contents being modified.
>>> s = "abc"
>>>id(s)
4702124
>>> s[0]
'a'
>>> s[0] = "o"
T...
What is the closest thing Windows has to fork()?
...
Note that most of the error checking is missing - e.g. ZwCreateThread returns an NTSTATUS value which can be checked using the SUCCEEDED and FAILED macros.
– BCran
Oct 11 '13 at 9:27
...
Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
...ough the docs..the problem is...fixedThreadPool is causing a out of memory error @ 3 threads.. where as cachedPool is internally creating only a single thread..on increasing the heap size i am getting the same performance for both..is there anything else i am missing!!
– hakis...
What are the obj and bin folders (created by Visual Studio) used for?
...ase sub-folder depending on the currently selected configuration, i get an error that the data type couldn't be created when I debug my application. My app only ever looks in the bin folder for the dlls and never knows to look in the debug or release folder. How do I correct this?
...
When & why to use delegates? [duplicate]
...such that it no longer matches the delegate this results in a compile time error which you don't get with reflection invoke. Consider for example the scenario of an MSMQ style message router. The Subscriber message receive functions could simply be stored in a dictionary of message routing key and s...
Is there a better way to express nested namespaces in C++ within the header
...l Studio 2015 and also use Boost, you may encounter very mystical compiler errors when you include some Boost headers. I faced this problem as described in this StackOverflow question
– Vivit
Oct 19 '16 at 8:06
...
Rename MySQL database [duplicate]
...-e "show databases like '$3'" -sss`
if [ -n "$db_exists" ]; then
echo "ERROR: New database already exists $3"
exit 1
fi
TIMESTAMP=`date +%s`
character_set=`mysql -h $1 -e "show create database $2\G" -sss | grep ^Create | awk -F'CHARACTER SET ' '{print $2}' | awk '{print $1}'`
TABLES=`mysql -...
When to use inline function and when not to use it?
...h optimization. inline is an instruction to the compiler not to produce an error if the function given definition occurs multiple times in the program and a promise that the definition will occur in every translation that it is used and everywhere it does appear it will have exactly the same definit...
Mock vs MagicMock
...
What if you want accessing your mock as a container object to be an
error -- you don't want that to work? If every mock has automatically
got every protocol method, then it becomes much more difficult to do
that. And also, MagicMock does some of this preconfiguring for you,
setting retu...