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Fastest way to determine if an integer's square root is an integer
I'm looking for the fastest way to determine if a long value is a perfect square (i.e. its square root is another integer):
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How to pass password to scp?
I know it is not recommended, but is it at all possible to pass the user's password to scp?
17 Answers
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How to append a char to a std::string?
The following fails with the error prog.cpp:5:13: error: invalid conversion from ‘char’ to ‘const char*’
13 Answer...
Re-ordering columns in pandas dataframe based on column name [duplicate]
I have a dataframe with over 200 columns. The issue is as they were generated the order is
11 Answers
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How do I purge a linux mail box with huge number of emails? [closed]
I have setup some cron jobs and they send the crons result to an email. Now over the months I have accumulated a huge number of emails.
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iOS detect if user is on an iPad
I have an app that runs on the iPhone and iPod Touch, it can run on the Retina iPad and everything but there needs to be one adjustment. I need to detect if the current device is an iPad. What code can I use to detect if the user is using an iPad in my UIViewController and then change something ac...
Running Selenium WebDriver python bindings in chrome
I ran into a problem while working with Selenium. For my project, I have to use Chrome. However, I can't connect to that browser after launching it with Selenium.
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Remote connect to clearDB heroku database
How can i perform a remote connect to ClearDB MySQL database on heroku using for example MySQL Query Browser. Where to get url, port, login and password?
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What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
What are the advantages/disadvantages of keeping SQL in your C# source code or in Stored Procs? I've been discussing this with a friend on an open source project that we're working on (C# ASP.NET Forum). At the moment, most of the database access is done by building the SQL inline in C# and calling ...
What does SynchronizationContext do?
In the book Programming C#, it has some sample code about SynchronizationContext :
8 Answers
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