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Linking R and Julia?
Julia looks very promising for fast and syntax-sane computation (e.g. here ), but I suspect it will not be anywhere near R in terms of overall statistics workflow for some time yet. So I'd like to use it where C++ is mainly used in R programs: to optimize slow portions of code. Before I invest th...
Stateless and Stateful Enterprise Java Beans
I am going through the Java EE 6 tutorial and I am trying to understand the difference between stateless and stateful session beans. If stateless session beans do not retain their state in between method calls, why is my program acting the way it is?
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Get Image size WITHOUT loading image into memory
I understand that you can get the image size using PIL in the following fashion
6 Answers
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What's the point of const pointers?
...m not 100% sure about a const that you get passed in as a func var. thanks and sorry if this is off topic
– Tomer
Feb 4 '18 at 22:15
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SQL order string as number
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and if you have mixed string and number and want them both sorted, use "order by col * 1, col"
– Hayden Thring
Feb 23 '15 at 3:42
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Removing an element from an Array (Java) [duplicate]
Is there any fast (and nice looking) way to remove an element from an array in Java?
15 Answers
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twig: IF with multiple conditions
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If I recall correctly Twig doesn't support || and && operators, but requires or and and to be used respectively. I'd also use parentheses to denote the two statements more clearly although this isn't technically a requirement.
{%if ( fields | length > 0 ) or ...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
... is that my genius project manager thinks that boost is another dependency and that it is horrible because "you depend on it"(I tried explaining the quality of boost, then gave up after some time :( ). Smaller reason why I would like to do it is that I would like to learn c++11 features, because peo...
Insert into a MySQL table or update if exists
...m what I've found, this method is less problematic for auto-increment keys and other unique key collisions than REPLACE INTO, and it is more efficient.
– Andrew Ensley
May 11 '12 at 21:27
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OPTION (RECOMPILE) is Always Faster; Why?
...istics. This can be done by running the following:
EXEC sp_updatestats
And then recreating your execution plan. This will ensure that when your execution plan is created it will be using the latest information.
Adding OPTION(RECOMPILE) rebuilds the execution plan every time that your query exe...