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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 _...
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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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...
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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How do I get the path of the Python script I am running in? [duplicate]
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Make a chdir before calling realpath and real path will fail, this is not the answer.
– sorin
Nov 22 '11 at 11:27
7
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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...