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How to check if a given directory exists in Ruby
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edited Aug 12 '17 at 2:51
Totor
73755 silver badges1717 bronze badges
answered Jul 6 '09 ...
How to change ProgressBar's progress indicator color in Android
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18 Answers
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Difference between single and double quotes in Bash
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614
Single quotes won't interpolate anything, but double quotes will. For example: variables, backt...
How to convert a NumPy array to PIL image applying matplotlib colormap
...irst ensure your NumPy array, myarray, is normalised with the max value at 1.0.
Apply the colormap directly to myarray.
Rescale to the 0-255 range.
Convert to integers, using np.uint8().
Use Image.fromarray().
And you're done:
from PIL import Image
from matplotlib import cm
im = Image.fromarray(n...
count members with jsonpath?
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I.e. to test that API returns an array of 4 items:
accepted value: [1,2,3,4]
mockMvc.perform(get(API_URL))
.andExpect(jsonPath("$", hasSize(4)));
to test that API returns an object containing 2 members:
accepted value: {"foo": "oof", "bar": "rab"}
mockMvc.perform(get(API_URL))
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Javascript: get package.json data in gulpfile.js
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116
Don't use require('./package.json') for a watch process. Using require will resolve the module...
How to make Git pull use rebase by default for all my repositories?
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There are now 3 different levels of configuration for default pull behaviour. From most general...
OrderBy descending in Lambda expression?
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edited Jul 19 '11 at 19:01
answered Oct 28 '09 at 6:34
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MySQL - length() vs char_length()
...r example:
select length(_utf8 '€'), char_length(_utf8 '€')
--> 3, 1
As you can see the Euro sign occupies 3 bytes (it's encoded as 0xE282AC in UTF-8) even though it's only one character.
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Pass a PHP array to a JavaScript function [duplicate]
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186
Use JSON.
In the following example $php_variable can be any PHP variable.
<script type="...