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how to run two commands in sudo?
...ami; /usr/bin/whoami' /bin/bash: /usr/bin/whoami; /usr/bin/whoami: No such file or directory
– Valor
Nov 2 '12 at 11:48
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Way to read first few lines for pandas dataframe
...ere a built-in way to use read_csv to read only the first n lines of a file without knowing the length of the lines ahead of time? I have a large file that takes a long time to read, and occasionally only want to use the first, say, 20 lines to get a sample of it (and prefer not to load the full...
Daylight saving time and time zone best practices [closed]
...onsidering the rich history of changes each zone may have had. (Also, the file has fallen out of maintenance.)
If using Rust, use chrono.
Most business rules use civil time, rather than UTC or GMT. Therefore, plan to convert UTC timestamps to a local time zone before applying application logic.
R...
Is there any Rails function to check if a partial exists?
...n't exist, I'll render something else. I did the following code in my .erb file, but I think there should be a better way to do this:
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How to change the background color of a UIButton while it's highlighted?
... @Dave G, you create a new subclass of UIButton by clicking File>New>File>Cocoa Touch Class and setting it to subclass of UIButton. Name the file for ex CustomButton, which will become both the file name and the class name. Inside this file, put the override var highlighted c...
How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...ting the UAC settings. Project + Add New Item, pick "Application Manifest File". Edit the manifest text or copy/paste this:
<?xml version="1.0" encoding="utf-8"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3" >
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How do I get the picture size with PIL?
...ng the installation are here.
Code
from PIL import Image
with Image.open(filepath) as img:
width, height = img.size
Speed
This needed 3.21 seconds for 30336 images (JPGs from 31x21 to 424x428, training data from National Data Science Bowl on Kaggle)
This is probably the most important reas...
Create a new workspace in Eclipse
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I use File -> Switch Workspace -> Other... and type in my new workspace name.
(EDIT: Added the composite screen shot.)
Once in the new workspace, File -> Import... and under General choose "Existing Projects into Worksp...
The forked VM terminated without saying properly goodbye. VM crash or System.exit called
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Copy and pasted this into my pom file and it worked like a charm, thanks
– Flaom
Jul 12 '18 at 5:08
9
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Getting number of elements in an iterator in Python
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the problem is I am reading a file with "pysam" that has millions of entries. Pysam returns an iterator. To compute a certain quantity, I need to know how many reads are in the file, but I don't need to read each one... that's the issue.
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