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Discard all and get clean copy of latest revision?
... purge as well. You just have to turn the extension on in the workbench's settings (or edit mercurial.ini).
– Dave
Aug 1 '11 at 21:17
18
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What is lazy loading in Hibernate?
...is saves the cost of preloading/prefilling all the entities in a large dataset beforehand while you after all actually don't need all of them.
In Hibernate, you can configure to lazily load a collection of child entities. The actual lazy loading is then done inside the methods of the PersistentSet ...
arrow operator (->) in function heading
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Avoid synchronized(this) in Java?
...rned map instance. What’s interesting, is, that the views returned by keySet() and values() don’t lock on (their) this, but the map instance, which is important to get consistent behavior for all map operations. The reason, the lock object is factored out into a variable, is, that the subclass S...
Does Python have a string 'contains' substring method?
I'm looking for a string.contains or string.indexof method in Python.
10 Answers
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Create a pointer to two-dimensional array
...its underlying data is made of other arrays), which consists of boundaries set by the array beyond the first dimension.
This 'partition' logic cannot exist within a pointer unless we specify it:
int a[4][5][95][8];
int (*p)[5][95][8];
p = a; // p = *a[0] // p = a+0
Otherwise, the meaning of th...
Disabling swap files creation in vim
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To disable swap files from within vim, type
:set noswapfile
To disable swap files permanently, add the below to your ~/.vimrc file
set noswapfile
For more details see the Vim docs on swapfile
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What do you call the -> operator in Ruby?
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Stopping python using ctrl+c
I have a python script that uses threads and makes lots of HTTP requests. I think what's happening is that while a HTTP request (using urllib2) is reading, it's blocking and not responding to Ctrl C to stop the program. Is there any way around this?
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What is the difference between LR, SLR, and LALR parsers?
...state. If the parser is LR or LALR, the token is checked against lookahead sets for all valid reductions for the state. If the token matches a lookahead set for a reduction for grammar rule G = R1 R2 .. Rn, a stack reduction and shift occurs: the semantic action for G is called, the stack is popped ...