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Where is virtualenvwrapper.sh after pip install?
I'm trying to setup virtualenvwrapper on OSX, and all the instructions and tutorials I've found tell me to add a source command to .profile, pointing towards virtualenvwrapper.sh. I've checked all the python and site-packages directories, and I can't find any virtualenvwrapper.sh. Is this something ...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
1.概述
* MTU: 最大传输单元（MAXIMUM TRANSMISSION UNIT） ， 指在一个PDU （Protocol Data Unit： 协议数据单元，在一个传输单元中的有效传输数据）能够传输的最大数据量（多少字节可以一次性传输到对方）。
* MTU 交...
How can I add a class to a DOM element in JavaScript?
...sname in one line of code - and still get a reference to the element? for example: myEL = document.createElement('div').addClass('yo')' will not work.
– Kokodoko
Dec 30 '15 at 12:28
...
Getting the path of the home directory in C#?
.... Reading environment variables is actually very portable to do (across Unix and Windows), so I'm not sure why the poster wanted to not do it.
Edited to add: For crossplatform (Windows/Unix) C#, I'd read $HOME on Unix and OSX and %HOMEDRIVE%%HOMEPATH% on Windows.
...
Convert Unix timestamp to a date string
Is there a quick, one-liner way to convert a Unix timestamp to a date from the Unix command line?
11 Answers
...
git checkout tag, git pull fails in branch
...
I had the same problem and fixed it with this command:
$ git push -u origin master
From the help file the -u basically sets the default for pulls:
-u, --set-upstream`
For every branch that is up to date or successfully pushed, add
upstream (tra...
Something like 'contains any' for Java set?
...rcuit as soon as it finds the first common element
– Xipo
Dec 15 '16 at 10:54
3
@Xipo is right. C...
Get the data received in a Flask request
...True) to ignore the content type.
All of these are MultiDict instances (except for json). You can access values using:
request.form['name']: use indexing if you know the key exists
request.form.get('name'): use get if the key might not exist
request.form.getlist('name'): use getlist if the key i...
Converting 'ArrayList to 'String[]' in Java
...String> list = ..;
String[] array = list.toArray(new String[0]);
For example:
List<String> list = new ArrayList<String>();
//add some stuff
list.add("android");
list.add("apple");
String[] stringArray = list.toArray(new String[0]);
The toArray() method without passing any argumen...
Print a list of all installed node.js modules
...om the script:
test.js:
function npmls(cb) {
require('child_process').exec('npm ls --json', function(err, stdout, stderr) {
if (err) return cb(err)
cb(null, JSON.parse(stdout));
});
}
npmls(console.log);
run:
> node test.js
null { name: 'x11', version: '0.0.11' }
...