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Why prefer two's complement over sign-and-magnitude for signed numbers?
...us if there's a reason why in order to represent -1 in binary, two's complement is used: flipping the bits and adding 1?
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Hash and salt passwords in C#
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Actually this is kind of strange, with the string conversions - which the membership provider does to put them into config files. Hashes and salts are binary blobs, you don't need to convert them to strings unless you want to put them into text files.
In my book, Beginning ASP.NET Security, (oh f...
How to get all child inputs of a div element (jQuery)
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Use it without the greater than:
$("#panel :input");
The > means only direct children of the element, if you want all children no matter the depth just use a space.
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Fastest way to check if a string is JSON in PHP?
I need a really, really fast method of checking if a string is JSON or not. I feel like this is not the best way:
30 Answer...
Web-scraping JavaScript page with Python
...out the HTML code. In fact, I achieve this goal, but I have seen that in some pages where JavaScript is loaded I didn't obtain good results.
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Pandas dataframe get first row of each group
I have a pandas DataFrame like following.
5 Answers
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Complex nesting of partials and templates
...I'm displaying based on what's coming in from $routeParams.
EDIT Here's some example pseudo-code to give you an idea of what I'm talking about. With a nested sub navigation.
Here's the main app page
<!-- primary nav -->
<a href="#/page/1">Page 1</a>
<a href="#/page/2">Page...
Remove/Add Line Breaks after Specific String using Sublime Text
Using Sublime Text 2 - Is it possible to insert a line break /text return after a specific String in a text file e.g. by using the Find ‣ Replace tool?
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DateTime2 vs DateTime in SQL Server
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The MSDN documentation for datetime recommends using datetime2. Here is their recommendation:
Use the time, date, datetime2 and
datetimeoffset data types for new
work. These types align with the SQL
Standard. They are more porta...
How to open a file using the open with statement
... and output in Python. I've written the following code to read a list of names (one per line) from a file into another file while checking a name against the names in the file and appending text to the occurrences in the file. The code works. Could it be done better?
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