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How to make a SPA SEO crawlable?
...have a pretty URL in the href tag so that google's bot will crawl it. You don't want the href part to be used when the client clicks on it (even though you do want the server to be able to parse it, we'll see that later), because we may not want a new page to load, only to make an AJAX call getting...
Dynamically select data frame columns using $ and a character value
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You can't do that kind of subsetting with $. In the source code (R/src/main/subset.c) it states:
/*The $ subset operator.
We need to be sure to only evaluate the first argument.
The second will be a symbol that needs to b...
release Selenium chromedriver.exe from memory
...() ) I believe it should release chromedriver.exe from memory (I'm on Windows 7). However after each run there is one chromedriver.exe instance remain in the memory. I hope there is a way I can write something in python to kill the chromedriver.exe process. Obviously browser.close() doesn't ...
Converting String to Int with Swift
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If you need floats (and you really really want Double, not float), toInt() will not do it. Could you use your imagination and the available documentation to find a suitable function?
– gnasher729
Jun 13 '14 at 7:18
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Rebasing remote branches in Git
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It comes down to whether the feature is used by one person or if others are working off of it.
You can force the push after the rebase if it's just you:
git push origin feature -f
However, if others are working on it, you should ...
Copy paste text into iOS simulator
This must be documented somewhere, but I can't find it.
16 Answers
16
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How to update PATH variable permanently from Windows command line?
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The documentation on how to do this can be found on MSDN. The key extract is this:
To programmatically add or modify system environment variables, add them to the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Ma...
How do you create a random string that's suitable for a session ID in PostgreSQL?
I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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How do I draw a shadow under a UIView?
I'm trying to draw a shadow under the bottom edge of a UIView in Cocoa Touch. I understand that I should use CGContextSetShadow() to draw the shadow, but the Quartz 2D programming guide is a little vague:
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Why is Multiple Inheritance not allowed in Java or C#?
...e merged or redundant. Before we can
implement MI in the CLR, we have to do
a survey of all the languages, figure
out the common concepts, and decide
how to express them in a
language-neutral manner. We would also
have to decide whether MI belongs in
the CLS and what this would mean fo...