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is_file or file_exists in PHP
...rk to work, you should add clearstatcache(); since the results for is_file and file_exists are cached throughout the script. Anyways file_exists() is a bit slower, but shouldn't make any difference unless you perform around 100K file checks. php.net/manual/en/function.clearstatcache.php
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mvn clean install vs. deploy vs. release
I am just learning maven, and we have recently needed to go more and more. I would like to know the difference between
2 A...
SQLAlchemy: how to filter date field?
...our filter is excluding all records: you should change the <= for >= and vice versa:
qry = DBSession.query(User).filter(
and_(User.birthday <= '1988-01-17', User.birthday >= '1985-01-17'))
# or same:
qry = DBSession.query(User).filter(User.birthday <= '1988-01-17').\
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Could not load file or assembly or one of its dependencies
...ce the ServiceLocator you should provide it with the old version of Unity, and that makes the problem.
May be the output folder where all projects build their assemblies, has an old version of unity.
You can use FusLogVw to find out who is loading the old assemblies, just define a path for the log...
What is the way to quick-switch between tabs in Xcode 4
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That should be command + shift + ..., I think. At least on my machine.
– Chris Ladd
Feb 7 '12 at 21:54
1
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How do I change the default author and committer in the Eclipse Git plugin?
I am using the Git plugin for Eclipse. I have several authors and committers which are displayed when I start typing in those fields.
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Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
... easiest way to upgrade to it, short of installing a separate copy of juno and re-installing all my existing plugins from 3.7 into it?
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What do you call the -> operator in Ruby?
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In Ruby Programming Language ("Methods, Procs, Lambdas, and Closures"), a lambda defined using -> is called lambda literal.
succ = ->(x){ x+1 }
succ.call(2)
The code is equivalent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard...
JavaScript - Get Portion of URL Path
... the same properties for any URL:
It turns out that this schema is being standardized as an interface called URLUtils, and guess what? Both the existing window.location object and anchor elements implement the interface.
So you can use the same properties above for any URL — just create an anchor...
std::shared_ptr thread safety explained
...m reading http://gcc.gnu.org/onlinedocs/libstdc++/manual/shared_ptr.html and some thread safety issues are still not clear for me:
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