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Determining type of an object in ruby
I'll use python as an example of what I'm looking for (you can think of it as pseudocode if you don't know Python):
5 Answe...
Why is JsonRequestBehavior needed?
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MVC defaults to DenyGet to protect you against a very specific attack involving JSON requests to improve the liklihood that the implications of allowing HTTP GET exposure are considered in advance of allowing them to occur.
This is opposed to afterwards when it mig...
When do I need to use AtomicBoolean in Java?
... multiple threads need to check and change the boolean. For example:
if (!initialized) {
initialize();
initialized = true;
}
This is not thread-safe. You can fix it by using AtomicBoolean:
if (atomicInitialized.compareAndSet(false, true)) {
initialize();
}
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What are the differences between .gitignore and .gitkeep?
...e the differences between .gitignore and .gitkeep ? Are they the same thing with a different name, or do they both serve a different function?
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Convert Linq Query Result to Dictionary
I want to add some rows to a database using Linq to SQL, but I want to make a "custom check" before adding the rows to know if I must add, replace or ignore the incomming rows.
I'd like to keep the trafic between the client and the DB server as low as possible and minimize the number of queries.
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Can I initialize a C# attribute with an array or other variable number of arguments?
Is it possible to create an attribute that can be initialized with a variable number of arguments?
7 Answers
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How to find out if an installed Eclipse is 32 or 64 bit version?
How can I find out if a specific Eclipse instance on my (Windows 7) PC is the 32-bit or 64-bit version?
5 Answers
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Override configured user for a single git commit
I am trying to commit to a project on github.com from my work laptop, which is already configured for the company git server. Is there a way to commit specifying different author credentials, possible using a different configuration file or orther command line switches?
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Efficient evaluation of a function at every cell of a NumPy array
...f = np.vectorize(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output type directly when vectorizing:
f = np.vectorize(f, otypes=[np.float])
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What is the difference between JavaConverters and JavaConversions in Scala?
In scala.collection , there are two very similar objects JavaConversions and JavaConverters .
4 Answers
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