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Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
I'm trying to configure a dark gray seperator color. Why does the following do nothing?
4 Answers
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Left padding a String with Zeros [duplicate]
...g/proper/commons-lang/javadocs/api-2.6/org/apache/commons/lang/StringUtils.html#leftPad(java.lang.String,%20int,%20char)
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Remove leading zeros from a number in Javascript [duplicate]
...ot the answer you're looking for? Browse other questions tagged javascript html parseint or ask your own question.
How to use `subprocess` command with pipes
...p a pipeline using subprocess: http://docs.python.org/2/library/subprocess.html#replacing-shell-pipeline
I haven't tested the following code example but it should be roughly what you want:
query = "process_name"
ps_process = Popen(["ps", "-A"], stdout=PIPE)
grep_process = Popen(["grep", query], st...
How to convert a string to number in TypeScript?
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that's wonderful! as you said in HTML +x doesn't convert to number at all
– sa_
Aug 17 '17 at 18:05
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How can I find the current OS in Python? [duplicate]
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https://docs.python.org/library/os.html
To complement Greg's post, if you're on a posix system, which includes MacOS, Linux, Unix, etc. you can use os.uname() to get a better feel for what kind of system it is.
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Replace None with NaN in pandas dataframe
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You can use DataFrame.fillna or Series.fillna which will replace the Python object None, not the string 'None'.
import pandas as pd
import numpy as np
For dataframe:
df = df.fillna(value=np.nan)
For column or series:
df.mycol.fillna(value=np....
How to combine multiple conditions to subset a data-frame using “OR”?
...ou are looking for "|." See http://cran.r-project.org/doc/manuals/R-intro.html#Logical-vectors
my.data.frame <- data[(data$V1 > 2) | (data$V2 < 4), ]
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How to set host_key_checking=false in ansible inventory file?
I would like to use ansible-playbook command instead of ' vagrant provision '. However setting host_key_checking=false in the hosts file does not seem to work.
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
I want to refresh my memory on the conditions under which a compiler typically auto generates a default constructor, copy constructor and assignment operator.
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