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python pandas remove duplicate columns
...ed Aug 23 '19 at 13:30
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Nov 5 '16 at 6:15
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How do I execute a program from Python? os.system fails due to spaces in path
...
At least in Windows 7 and Python 3.1, os.system in Windows wants the command line double-quoted if there are spaces in path to the command. For example:
TheCommand = '\"\"C:\\Temp\\a b c\\Notepad.exe\"\"'
os.system(TheCommand)
A real-world example tha...
Reusable library to get human readable version of file size?
...Ti','Pi','Ei','Zi']:
if abs(num) < 1024.0:
return "%3.1f%s%s" % (num, unit, suffix)
num /= 1024.0
return "%.1f%s%s" % (num, 'Yi', suffix)
Supports:
all currently known binary prefixes
negative and positive numbers
numbers larger than 1000 Yobibytes
arbitrary un...
Recursively counting files in a Linux directory
.../1.33 seconds (real/user/sys). rsync --stats --dry-run -ax ~ /xxx took 4.4/3.1/2.1 seconds. That's for about 500,000 files on SSD.
– slim
How to test an Internet connection with bash?
...l OK" code
Without wget
#!/bin/bash
echo -e "GET http://google.com HTTP/1.0\n\n" | nc google.com 80 > /dev/null 2>&1
if [ $? -eq 0 ]; then
echo "Online"
else
echo "Offline"
fi
share
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...
UITableViewCell subview disappears when cell is selected
...ighted){
self.yourView.backgroundColor = color;
}
}
In Swift 3.1 :
override func setSelected(_ selected: Bool, animated: Bool) {
let color = yourView.backgroundColor
super.setSelected(selected, animated: animated)
if selected {
yourView.backgroundColor = ...
Animate text change in UILabel
...ce iOS4 it can be obviously done with blocks:
[UIView animateWithDuration:1.0
animations:^{
label.alpha = 0.0f;
label.text = newText;
label.alpha = 1.0f;
}];
...
To draw an Underline below the TextView in Android
...line using setPaintFlags()");
using SpannableString
`String content1 = "3.1 Underline using SpannableString";
SpannableString spannableString1 = new SpannableString(content1);
spannableString1.setSpan(new UnderlineSpan(), 0, content1.length(), 0);
textview31.setText(spanna...
WebView and HTML5
...Group.LayoutParams.MATCH_PARENT);
}
custom_screen.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2009 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License....
What does the servlet value signify
...h higher numbers get
loaded after servlets with lower numbers.
The JSP 3.1 spec (JSR 340) says this on page 14-160:
The element load-on-startup indicates that this servlet should be loaded (instantiated
and have its
init() called) on the startup of the Web application. The element conten...