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How to fix “ImportError: No module named …” error in Python?
...s; this is done to prevent directories with a common name, such as string, from unintentionally hiding valid modules that occur later on the module search path. In the simplest case, init.py can just be an empty file
– panofish
Jan 14 '16 at 21:13
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how to “reimport” module to python then code be changed after import
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Note that if you did from foo import * or from foo import bar, the symbol foo doesn't get defined. You need to import sys then reload(sys.modules['foo']) or perhaps reload(sys.modules[bar.__module__])
– drevicko
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xUnit.net: Global setup + teardown?
...lity is only called once. For this version, you don't extends a base class from your test class but implement the IClassFixture<T> interface where T refers to your fixture class:
using Xunit;
public class TestsFixture : IDisposable
{
public TestsFixture ()
{
// Do "global" in...
What is “callback hell” and how and why does RX solve it?
...he for loop is still annoying to code and you still need to translate code from the synchronous style to the promise style.
– hugomg
Aug 2 '14 at 19:17
1
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How large should my recv buffer be when calling recv in the socket library
...looping around if you don't have a complete message and stuffing the bytes from the next recv into the buffer following the partial message. You shouldn't use strstr() on the raw buffer filled by recv() - there's no guarantee that it contains a nul-terminator, so it might cause strstr() to crash.
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Conditionally ignoring tests in JUnit 4
...auses the test to be ignored.
Edit: To compare with the @RunIf annotation from junit-ext, their sample code would look like this:
@Test
public void calculateTotalSalary() {
assumeThat(Database.connect(), is(notNull()));
//test code below.
}
Not to mention that it is much easier to captur...
How to replace strings containing slashes with sed?
...se any punctuation, not only slashes. A common alternative is s@foo@bar@, from which it becomes obvious how to solve your problem.
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Create a devise user from Ruby console
Any idea on how to create and save a new User object with devise from the ruby console?
5 Answers
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ListView addHeaderView causes position to increase by one?
...'t care about the click to the header, subtract the number of header views from the position to get the position for your adapter:
listView.addHeaderView(inflater.inflate(
R.layout.my_hdr_layout, null), null, false);
listView.setAdapter(m_adapter);
listView.s...
Why 0 is true but false is 1 in the shell?
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However in Bash, any nonzero value is an error, and we may use any number from 1-255 to represent an error. This means we can have many different kinds of errors. 1 is a general error, 126 means that a file cannot be executed, 127 means 'command not found', etc. Here's a list of Bash Exit Codes Wit...