大约有 11,287 项符合查询结果（耗时：0.0262秒） [XML]
How to create an object property from a variable value in JavaScript? [duplicate]
I want to add a new property to 'myObj', name it 'string1' and give it a value of 'string2', but when I do it it returns 'undefined:
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An example of how to use getopts in bash
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#!/bin/bash
usage() { echo "Usage: $0 [-s <45|90>] [-p <string>]" 1>&2; exit 1; }
while getopts ":s:p:" o; do
case "${o}" in
s)
s=${OPTARG}
((s == 45 || s == 90)) || usage...
Why do some C# lambda expressions compile to static methods?
As you can see in the code below, I have declared an Action<> object as a variable.
5 Answers
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How to create a new branch from a tag?
I'd like to create a new master branch from an existing tag. Say I have a tag v1.0 . How to create a new branch from this tag?
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Is there a way to take a screenshot using Java and save it to some sort of image?
...do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
8 Answers
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How to join two generators in Python?
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PhilippPhilipp
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Comparing date ranges
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This is a classical problem, and it's actually easier if you reverse the logic.
Let me give you an example.
I'll post one period of time here, and all the different variations of other periods that overlap in some way.
|--------------...
Confusion between factor levels and factor labels
There seems to be a difference between levels and labels of a factor in R.
Up to now, I always thought that levels were the 'real' name of factor levels, and labels were the names used for output (such as tables and plots). Obviously, this is not the case, as the following example shows:
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Clone only one branch [duplicate]
I would like to know how I could clone only one branch instead of cloning the whole Git repository.
4 Answers
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Saving a Numpy array as an image
...How would I write it to disk it as an image? Any format works (png, jpeg, bmp...). One important constraint is that PIL is not present.
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