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Python error “ImportError: No module named”
Python is installed in a local directory.
28 Answers
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Catching an exception while using a Python 'with' statement
To my shame, I can't figure out how to handle exception for python 'with' statement. If I have a code:
4 Answers
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How to add an email attachment from a byte array?
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Simplest way:
Attachment att = new Attachment(new MemoryStream(bytes), name);
Note that unless you do funky stuff with asynchronous operations, MemoryStream is safe to leave undisposed, which may make life easier for you. Admittedly there's no guarantee that that will be true...
How to download a file with Node.js (without using third-party libraries)?
...jpg", function(response) {
response.pipe(file);
});
If you want to support gathering information on the command line--like specifying a target file or directory, or URL--check out something like Commander.
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Quickly find whether a value is present in a C array?
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In situations where performance is of utmost importance, the C compiler will most likely not produce the fastest code compared to what you can do with hand tuned assembly language. I tend to take the path of least resistance - for small routines lik...
Cannot make a static reference to the non-static method
Building a multi-language application in Java. Getting an error when inserting String value from R.string resource XML file:
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How to solve the “failed to lazily initialize a collection of role” Hibernate exception
...l Comments every time you retrieve a Topic then change your field mapping for comments to:
@OneToMany(fetch = FetchType.EAGER, mappedBy = "topic", cascade = CascadeType.ALL)
private Collection<Comment> comments = new LinkedHashSet<Comment>();
Collections are lazy-loaded by default, ta...
How to use mod operator in bash?
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Try the following:
for i in {1..600}; do echo wget http://example.com/search/link$(($i % 5)); done
The $(( )) syntax does an arithmetic evaluation of the contents.
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Why is creating a Thread said to be expensive?
The Java tutorials say that creating a Thread is expensive. But why exactly is it expensive? What exactly is happening when a Java Thread is created that makes its creation expensive? I'm taking the statement as true, but I'm just interested in mechanics of Thread creation in JVM.
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What's the difference between a Future and a Promise?
...erence between Future and Promise ?
They both act like a placeholder for future results, but where is the main difference?
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