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How do I import other TypeScript files?
When using the TypeScript plugin for vs.net, how do I make one TypeScript file import modules declared in other TypeScript files?
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Is it possible to implement a Python for range loop without an iterator variable?
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I think the best you could do is something like this:
def loop(f,n):
for i in xrange(n): f()
loop(lambda: <insert expression here>, 5)
But I think you can just live with the extra i variable.
Here is the option to use the _ variable, which in reality, is just another variable.
for _...
How to trigger event when a variable's value is changed?
...an asynchronous process so technically the if statement could be ignored before the value has changed.
6 Answers
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Python time measure function
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First and foremost, I highly suggest using a profiler or atleast use timeit.
However if you wanted to write your own timing method strictly to learn, here is somewhere to get started using a decorator.
Python 2:
def timing(f):
def ...
Creating JS object with Object.create(null)?
...y run into a case where there are keys in the map that you never inserted. For example, if you did a lookup on toString, you would find a function, even though you never put that value there. You can work around that like this:
if (Object.prototype.hasOwnProperty.call(p, 'toString')) {
// we act...
sqlalchemy unique across multiple columns
...0 character code. The "location code" should be unique among the locations for a specific customer.
2 Answers
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Elasticsearch query to return all records
I have a small database in Elasticsearch and for testing purposes would like to pull all records back. I am attempting to use a URL of the form...
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Call a python function from jinja2
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For those using Flask, put this in your __init__.py:
def clever_function():
return u'HELLO'
app.jinja_env.globals.update(clever_function=clever_function)
and in your template call it with {{ clever_function() }}
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Running a specific test case in Django when your app has a tests directory
... run a complete test case, or single test, using the complete dot notation for the element you want to run.
Automatic test discovery will now find tests in any file that starts with test under the working directory, so addressing the question you would have to rename your files, but you can now kee...
What does $_ mean in PowerShell?
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This is the variable for the current value in the pipe line, which is called $PSItem in Powershell 3 and newer.
1,2,3 | %{ write-host $_ }
or
1,2,3 | %{ write-host $PSItem }
For example in the above code the %{} block is called for ever...