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How to get all subsets of a set? (powerset)
...t answer I could find, comparing some other solutions on this page to this one using Python's timeit module. However, in certain cases, if you need to modify the resulting output (e.g. joining the letters to form strings) writing a custom recipe utilizing generators and building up the output you wa...
How to make PyCharm always show line numbers
...earance??! This is a must-have for most programmers and it's hidden where one would expect to find color schemes and such...
– jsh
Jul 14 '15 at 9:10
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How do I set up HttpContent for my HttpClient PostAsync second parameter?
...n instance of HttpContent because it is an abstract class. You need to use one the classes derived from it depending on your need. Most likely StringContent, which lets you set the string value of the response, the encoding, and the media type in the constructor. See: http://msdn.microsoft.com/en-us...
How can I quickly delete a line in VIM starting at the cursor position?
...This register tends to be treated like a default copy/paste clipboard, so none of these answers will work as desired if you are deleting the rest of a line to paste something in the same place afterward, as whatever was just deleted will be subsequently pasted in place of whatever was yanked before....
I don't remember my android debug.keystore password
...android".
You can delete it and Eclipse will automatically generate a new one, as described here.
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java.lang.IllegalArgumentException: View not attached to window manager
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This answer should be the accepted one, very well handled
– blueware
Jan 17 '17 at 14:44
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PHP Redirect with POST data
...gateway (Page C).
This will achieve your result of the user only clicking one button and proceeding to the payment gateway. Below is some pseudocode
HTML:
<form id="paymentForm" method="post" action="https://example.com">
<input type="hidden" id="customInvoiceId" .... />
<input...
sqlalchemy unique across multiple columns
...tructs explicitly.
As these belong to a Table and not to a mapped Class, one declares those in the table definition, or if using declarative as in the __table_args__:
# version1: table definition
mytable = Table('mytable', meta,
# ...
Column('customer_id', Integer, ForeignKey('customers.c...
Get application version name using adb
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adb shell dumpsys package my.package | grep versionName
as mentioned by @david and @Jeremy Fishman. This will be much quicker than:
adb shell dumpsys | grep -A18 "Package \[my.package\]"
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Get original URL referer with PHP?
... getting IP ADDRESS but the post is about REFERER web page that led to the one in question.
– Sanxofon
Jan 16 at 16:32
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