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Adding a directory to $LOAD_PATH (Ruby)
... let you setup your load path with nicer and cleaner code. Check this out: https://github.com/nayyara-samuel/load-path.
It also has good documentation
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Android - Handle “Enter” in an EditText
...
This page describes exactly how to do this.
https://developer.android.com/training/keyboard-input/style.html
Set the android:imeOptions then you just check the actionId in onEditorAction. So if you set imeOptions to 'actionDone' then you would check for 'actionId == E...
Can I do a synchronous request with volley?
...d actually provide a "real life" working sample of this in use. Here it is https://github.com/timolehto/SynchronousVolleySample
Now even though the solution works, it has some limitations. Most importantly, you can't call it on the main UI thread. Volley does execute the requests on the background,...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...图：
multi_index_container性能测试
来源于libGod官网http://www.libgod.com/
boost中有个multi_index_container，感觉比较好用，但不知道性能怎么样。今天特意测试了下他的插入，查找，删除的性能。
测试代码：
#include <cstdio>
#include <ma...
When and why should I use fragments in Android applications? [duplicate]
... each screen can simply access the object reference through the Activity.
https://softwareengineering.stackexchange.com/questions/244771/why-use-android-fragments
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Proper way to handle multiple forms on one page in Django
...he answers by @adam-nelson and @daniel-sokolowski and comment by @zeraien (https://stackoverflow.com/a/17303480/2680349):
# views.py
def _get_form(request, formcls, prefix):
data = request.POST if prefix in request.POST else None
return formcls(data, prefix=prefix)
class MyView(TemplateVie...
Using vagrant to run virtual machines with desktop environment
...y the VirtualBox GUI when booting the machine
vb.gui = true
end
# https://askubuntu.com/questions/1067929/on-18-04-package-virtualbox-guest-utils-does-not-exist
config.vm.provision "shell", inline: "sudo apt-add-repository multiverse && sudo apt-get update"
# Install xfce and v...
Multiprocessing: How to use Pool.map on a function defined in a class?
... = calculate()
>>> print cl.run()
[1, 4, 9]
Get the code here:
https://github.com/uqfoundation/pathos
And, just to show off a little more of what it can do:
>>> from pathos.multiprocessing import ProcessingPool as Pool
>>>
>>> p = Pool(4)
>>>
>&...
structure vs class in swift language
... Excerpt From: Apple Inc. “The Swift Programming Language.” iBooks.
https://itun.es/us/jEUH0.l
This is the biggest difference between structs and classes. Structs are copied and classes are referenced.
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
...e details on working with XlsxWriter with pandas this link might be useful https://xlsxwriter.readthedocs.io/working_with_pandas.html
import pandas as pd
writer = pd.ExcelWriter(excel_file_path, engine='xlsxwriter')
df.to_excel(writer, sheet_name="Summary")
workbook = writer.book
worksheet = writer...