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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
18
Active
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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?
...)
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...
Update or Insert (multiple rows and columns) from subquery in PostgreSQL
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176
For the UPDATE
Use:
UPDATE table1
SET col1 = othertable.col2,
col2 = othertable.c...
Can I use multiple “with”?
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answered Mar 21 '11 at 9:21
Tomek SzpakowiczTomek Szpakowicz
11.3k22 gold badges3030 silver badges5454 bronze badges
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C#: List All Classes in Assembly
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153
Use Assembly.GetTypes. For example:
Assembly mscorlib = typeof(string).Assembly;
foreach (Typ...
warning: implicit declaration of function
... a declaration ("prototype") yet.
For example:
int main()
{
fun(2, "21"); /* The compiler has not seen the declaration. */
return 0;
}
int fun(int x, char *p)
{
/* ... */
}
You need to declare your function before main, like this, either directly or in a header:
int fun(int ...