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What is correct HTTP status code when redirecting to a login page?
When a user is not logged in and tries to access a page that requires login, what is the correct HTTP status code for a redirect to the login page?
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try/catch + using, right syntax
...ice. If you are expecting the object creation to throw an error, then any handling of that exception must go outside. If there is some question about where the handling should go, then the exception that is expected must be something else—unless you are advocating catching any random exception tha...
NSInvocation for Dummies?
...message rendered static, that is, it is an action turned into an object.
And, in a little more detail:
The concept of messages is central to the objective-c philosophy. Any time you call a method, or access a variable of some object, you are sending it a message. NSInvocation comes in handy when ...
Windows batch: echo without new line
What is the Windows batch equivalent of the Linux shell command echo -n which suppresses the newline at the end of the output?
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oh-my-zsh slow, but only for certain Git repo
I recently started using Zsh and it's awesome. Unfortunately, for the project I consider my "main" project, everything is slow. What I mean is that every time I run a command - ls , for example - there's about a five-second delay between the time the command is executed and the time I can use the t...
Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail
...script>');
</script>
This should be in your page's <head> and any jQuery ready event handlers should be in the <body> to avoid errors (although it's not fool-proof!).
One more reason to not use Google-hosted jQuery is that in some countries, Google's domain name is banned.
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Why can't Python's raw string literals end with a single backslash?
..."" is a
valid string literal consisting of two
characters: a backslash and a double
quote; r"\" is not a valid string
literal (even a raw string cannot end
in an odd number of backslashes).
Specifically, a raw string cannot end
in a single backslash (since the
backslash would escape ...
Does SVG support embedding of bitmap images?
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Yes, you can reference any image from the image element. And you can use data URIs to make the SVG self-contained. An example:
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
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<image
width="100" height="100"
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docker mounting volumes on host
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The VOLUME command will mount a directory inside your container and store any files created or edited inside that directory on your hosts disk outside the container file structure, bypassing the union file system.
The idea is that your vol...
How to set a JVM TimeZone Properly
...ault GMT timezone instead of an OS defined timezone. My JDK version is 1.5 and the OS is Windows Server Enterprise (2007)
7...