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Extension method and dynamic object
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I was playing with dynamic object and got this exception.Do you have written any article on this topic, where to use or not use dynamic object
– santosh singh
Mar 15 '11 at 12:27
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Python call function within class
...ed Apr 11 '11 at 0:24
Jeff MercadoJeff Mercado
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How to use npm with node.exe?
I have downloaded Windows Binary (.exe) of nodejs from the main page .
10 Answers
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shell init issue when click tab, what's wrong with getcwd?
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This usually occurs when your current directory does not exist anymore. Most likely, from another terminal you remove that directory (from within a script or whatever). To get rid of this, in case your current directory was recreated in the meantime, just cd to another (ex...
how to delete all commit history in github? [duplicate]
... commit history but keep the code in its current state, it is very safe to do it as in the following:
Checkout
git checkout --orphan latest_branch
Add all the files
git add -A
Commit the changes
git commit -am "commit message"
Delete the branch
git branch -D master
Rename the current branch t...
Define static method in source-file with declaration in header-file in C++
... Not other class methods, but other functions in .cpp file. You should not do this in C++ anyway. If you want a C++ function to have internal linkage, you should consider placing it in some anonymous namespace. Usage of static in .cpp files is just for backward compatibility with C.
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How can i get the session object if i have the entity-manager
...tion server using Hibernate to the other. For example with JBoss you would do:
org.hibernate.Session session = (Session) manager.getDelegate();
But with GlassFish, you'd have to do:
org.hibernate.Session session = ((org.hibernate.ejb.EntityManagerImpl) em.getDelegate()).getSession();
I agree,...
What is the meaning of prepended double colon “::”?
... // resolves to MyApp::Configuration, class 2
Configuration::doStuff(...)
// resolves to top-level Configuration, class 1
::Configuration::doStuff(...)
}
}
Basically, it allows you to traverse up to the global namespace since your name might get clobbered by a ne...
How much faster is Redis than mongoDB?
...s_get(data):
for k in data.iterkeys():
val = redis.get(k)
def do_tests(num, tests):
# setup dict with key/values to retrieve
data = {'key' + str(i): 'val' + str(i)*100 for i in range(num)}
# run tests
for test in tests:
start = time.time()
test(data)
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Select rows of a matrix that meet a condition
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This is easier to do if you convert your matrix to a data frame using as.data.frame(). In that case the previous answers (using subset or m$three) will work, otherwise they will not.
To perform the operation on a matrix, you can define a col...