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String formatting: % vs. .format vs. string literal
...uated. And Python, not being a lazy language, evaluates expressions before calling functions, so in your log.debug example, the expression "some debug info: %s"%some_infowill first evaluate to, e.g. "some debug info: roflcopters are active", then that string will be passed to log.debug().
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“ImportError: No module named” when trying to run Python script
... the notebook to operate from in your ipython_notebook_config.py file (typically using the c.NotebookManager.notebook_dir setting).
The solution is to provide the python interpreter with the path-to-your-module. The simplest solution is to append that path to your sys.path list. In your notebook, f...
How to create a fixed-size array of objects
... of performance, you should reserve memory for the array, in case of dynamically creating it, such as adding elements with Array.append().
var array = [SKSpriteNode]()
array.reserveCapacity(64)
for _ in 0..<64 {
array.append(SKSpriteNode())
}
If you know the minimum amount of elements you...
Printing object properties in Powershell
...at-Table.
PS C:\> Run-MyScript.ps1 | Format-Table
They should really call PowerShell PowerObjectandPipingShell.
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Using socket.io in Express 4 and express-generator's /bin/www
...t side API as well. This isn't Express specific but without it the connect call won't work. The API is included in
/node_modules/socket.io-client/socket.io.js.
Include this file on the front end and test with the following:
var socket = io.connect('http://localhost:3000');
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FileSystemWatcher vs polling to watch for file changes
...an application that watches for files being created in a directory, both locally or on a network drive.
13 Answers
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Easy way of running the same junit test over and over?
... for some simple way to run JUnit 4.x tests several times in a row automatically using Eclipse.
12 Answers
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How can you set class attributes from variable arguments (kwargs) in python
...f, key, kwargs[key])
x = SymbolDict(foo=1, bar='3')
assert x.foo == 1
I called the class SymbolDict because it essentially is a dictionary that operates using symbols instead of strings. In other words, you do x.foo instead of x['foo'] but under the covers it's really the same thing going on.
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How bad is shadowing names defined in outer scopes?
...es happens and that's what PyCharm is saying - "Warning - nothing is technically in error, but this could easily become a problem"
– dwanderson
Feb 22 '17 at 2:19
1
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Mercurial — revert back to old version and continue from there
I'm using Mercurial locally for a project (it's the only repo there's no pushing/pulling to/from anywhere else).
7 Answers
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