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How to change the font on the TextView?
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343
First, the default is not Arial. The default is Droid Sans.
Second, to change to a different b...
Create numpy matrix filled with NaNs
...as np; a = np.empty((100,100));" "a.fill(np.nan)"
10000 loops, best of 3: 54.3 usec per loop
$ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a[:] = np.nan"
10000 loops, best of 3: 88.8 usec per loop
The timings show a preference for ndarray.fill(..) as the faster alternative. OT...
How to read and write excel file
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145
Try the Apache POI HSSF. Here's an example on how to read an excel file:
try {
POIFSFileSy...
Difference between 'struct' and 'typedef struct' in C++?
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edited Jul 14 '18 at 17:08
YePhIcK
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Connect to Amazon EC2 file directory using Filezilla and SFTP
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14 Answers
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Add new field to every document in a MongoDB collection
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614
Same as the updating existing collection field, $set will add a new fields if the specified fiel...
How to switch between hide and view password
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mmathieum
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answered Sep 10 '10 at 15:19
JanuszJanusz
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Save ArrayList to SharedPreferences
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440
After API 11 the SharedPreferences Editor accepts Sets. You could convert your List into a Has...
Update value of a nested dictionary of varying depth
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24 Answers
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Java Runtime.getRuntime(): getting output from executing a command line program
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248
Here is the way to go:
Runtime rt = Runtime.getRuntime();
String[] commands = {"system.exe", "...