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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
Every time I have to iterate over a collection I end up checking for null, just before the iteration of the for-each loop starts. Like this:
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How do I check if a property exists on a dynamic anonymous type in c#?
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This does not work on dynamic objects. It always returns null.
– evilom
Oct 6 '16 at 8:44
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How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
How do I ignore the following error message on Git pull?
34 Answers
34
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In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without
I'm using Eclipse for Java development. All my sources compile fine and the resulting application compiles fine. However, I keep getting an "red-x" error notification in the Package Explorer.
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Redirecting stdout to “nothing” in python
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Cross-platform:
import os
import sys
f = open(os.devnull, 'w')
sys.stdout = f
On Windows:
f = open('nul', 'w')
sys.stdout = f
On Linux:
f = open('/dev/null', 'w')
sys.stdout = f
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Calling dynamic function with dynamic number of parameters [duplicate]
I’m looking for a trick about this. I know how to call a dynamic, arbitrary function in JavaScript, passing specific parameters, something like this:
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“loop:” in Java code. What is this, and why does it compile?
This code just made me stare at my screen for a few minutes:
12 Answers
12
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Getting started with F# [closed]
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Official entry point is here: Microsoft F# Developer Center
For a quick taste, consider trying F# in your browser (Silverlight). (contains interactive tutorial walkthroughs)
Start by watching videos and presentations (BTW, An Introduction to Microsoft F# by Luca Bolognese is still one...
scipy.misc module has no attribute imread?
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You need to install Pillow (formerly PIL). From the docs on scipy.misc:
Note that Pillow is not a dependency of SciPy but the image manipulation functions indicated in the list below are not available without it:
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imread
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Aft...
Unmarshaling nested JSON objects
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@CalebThompson The structure for XML and JSON are completely different, even if the simple cases look alike. The content of a XML tag is kinda:(An ordered map of sub-tags OR Text) AND an unordered map of attributes. JSON is much more like a Go struct. So ...