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YAML mime type?
...have both text/x-yaml and application/x-yaml... rfc-editor.org/rfc/rfc3023.txt
– Vinko Vrsalovic
Dec 1 '08 at 20:56
Fo...
How to recursively find the latest modified file in a directory?
...-n | tail -n1
Result looks like this:
2015-10-06 11:30: +0200 ./foo/bar.txt
To show more files, replace -n1 with a higher number
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How can I check if a file exists in Perl?
...perl -w
$fileToLocate = '/whatever/path/for/file/you/are/searching/MyFile.txt';
if (-e $fileToLocate) {
print "File is present";
}
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How to list all installed packages and their versions in Python?
... alias for pip freeze. Its intuitive to write pip freeze > requirements.txt, but not pip freeze.
– jsalonen
Oct 17 '12 at 17:56
3
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的原理才可以将该工具使用的得心应手。
2-3-8 使用traces.txt文件进行ANR分析优化
ANR（Application Not Responding）是Android中AMS与WMS监测应用响应超时的表现；之所以把臭名昭著的ANR单独作为UI性能卡顿的分析来说明是因为ANR是直接卡...
How can I create download link in HTML?
...sponse header:
Content-Disposition: attachment; filename=ProposedFileName.txt;
This was the way to do before HTML5 (and still works with browsers supporting HTML5).
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Import multiple csv files into pandas and concatenate into one DataFrame
... on many different directories containing different file types (csv, json, txt, databases) as if it was one data source. There must be something similar in python, since it has had a 20 year jump start on doing "big data".
– Hexatonic
Dec 28 '15 at 4:22
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Android; Check if file exists without creating a new one
... me:
File file = new File(getApplicationContext().getFilesDir(),"whatever.txt");
if(file.exists()){
//Do something
}
else{
//Nothing
}
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Iterating each character in a string using Python
...anything in python using the for loop construct,
for example, open("file.txt") returns a file object (and opens the file), iterating over it iterates over lines in that file
with open(filename) as f:
for line in f:
# do something with line
If that seems like magic, well it kinda is,...
SQLite error 'attempt to write a readonly database' during insert?
...dy" or "apache". Have your script create a file (file_put_contents('./foo.txt', 'Hello, world');), that will show you who it's running as. Chances are that you'll need to have the script create the SQLite database. This may be an entertaining exercise if you already have data in your current file...