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How long do browsers cache HTTP 301s?
... against the spirit of what a 301 redirect is for, even though it is technically valid. YMMV, and you may find edge cases where it makes sense for a "permanent" redirect to have a time limit. Note that 302 and 307 redirects aren't cached by default by browsers.
If you previously issued a 301 redir...
Why should I use Google's CDN for jQuery?
....)
It reduces the amount of bandwidth used by your server. (Google is basically offering free bandwidth.)
It ensures that the user will get a geographically close response. (Google has servers all over the world, further decreasing the latency.)
(Optional) They will automatically keep your scripts...
In Python, when to use a Dictionary, List or Set?
...e elements.
Detailed Explanation
List
A list is a mutable sequence, typically used to store collections of homogeneous items.
A list implements all of the common sequence operations:
x in l and x not in l
l[i], l[i:j], l[i:j:k]
len(l), min(l), max(l)
l.count(x)
l.index(x[, i[, j]]) - index of ...
Android Studio installation on Windows 7 fails, no JDK found
... update of Androd Studio I have two versions of the IDE's launcher
One is called studio.exe and the other studio64.exe they are both on:
C:\Users\myUserName\AppData\Local\Android\android-studio\bin
You have to launch the one that matches your Java version 64 or 32 bit
...
This project references NuGet package(s) that are missing on this computer
...e to this page docs.nuget.org/consume/package-restore and find the section called MSBuild-Integrated Package Restore. That is the old way and it lists some reasons why you should use the new way.
– The Muffin Man
Aug 19 '16 at 17:58
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Download a single folder or directory from a GitHub repo
...ub.com/miguelgrinberg/python-socketio.git/trunk/examples/wsgi. A directory called wsgi will be created under the current working directory. Only source files, nothing else. No .git, no subversion related files.
– Rockallite
Mar 10 '17 at 7:20
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How can I determine the direction of a jQuery scroll event?
...oll, the event being listened for is a 'scroll' event.
But if you specifically listen for a mousewheel event by using bind, the originalEvent attribute of the event parameter to your callback contains different information. Part of that information is wheelDelta. If it's positive, you moved the ...
How to get Android crash logs?
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Won't the line defaultUEH.uncaughtException(t, e); call the method uncaughtException() infinitely?
– Mickael Bergeron Néron
Nov 15 '17 at 15:41
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What's the safest way to iterate through the keys of a Perl hash?
...ies of them, and that modifying the hash while iterating over it using any call is bad.
All that said, I almost always use keys() because to me it is usually more self documenting to access the key's value via the hash itself. I occasionally use values() when the value is a reference to a large st...
How to show all shared libraries used by executables in Linux?
... to know which libraries are used by executables on my system. More specifically, I'd like to rank which libraries are used the most, along with the binaries that use them. How can I do this?
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