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Why both no-cache and no-store should be used in HTTP response?
... is considered stale.
If the server says that the resource is still valid then the cache can respond with its representation, thus alleviating the need for the server to resend the entire resource.
no-store is effectively the full do not cache directive and is intended to prevent storage of the re...
Sorting a Python list by two fields
...hen using lambda functions.
The following sorts list by the first element, then by the second element.
sorted(list, key=lambda x: (x[0], -x[1]))
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how to “reimport” module to python then code be changed after import
...foo import bar, the symbol foo doesn't get defined. You need to import sys then reload(sys.modules['foo']) or perhaps reload(sys.modules[bar.__module__])
– drevicko
Oct 28 '13 at 1:02
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Xcode debugger doesn't print objects and shows nil, when they aren't
...click on your project name on the top left corner near start/stop buttons, then "Edit scheme...", then "Run" settings, then "Info" tab, then "Build Configuration". Here set "Debug". If it was on "Release" that's the matter you saw all nils).
...
How to import the class within the same directory or sub directory?
...That will signify to Python that it's "ok to import from this directory".
Then just do...
from user import User
from dir import Dir
The same holds true if the files are in a subdirectory - put an __init__.py in the subdirectory as well, and then use regular import statements, with dot notation. ...
Proper way to renew distribution certificate for iOS
...pple allows you to create 2 in-house apps so it can overlap each other and then you update your new apps with it. Do not revoke it. Only thing you can revoke is the App-Store Cert without stopping existing apps.
– mskw
May 21 '13 at 14:57
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Why does viewWillAppear not get called when an app comes back from the background?
...ther words, if someone looks at another application or takes a phone call, then switches back to your app which was earlier on backgrounded, your UIViewController which was already visible when you left your app 'doesn't care' so to speak -- as far as it is concerned, it's never disappeared and it's...
PHP parse/syntax errors; and how to solve them
...wrong context.
If you see string colorization extend too far or too short, then you have found an unescaped or missing closing " or ' string marker.
Having two same-colored punctuation characters next to each other can also mean trouble. Usually, operators are lone if it's not ++, --, or parentheses...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...nd the server seem to think something is not here ...
Now, what's missing then ?
On my system, I get this:
mysql> select version();
+------------+
| version() |
+------------+
| 5.5.21-log |
+------------+
1 row in set (0.00 sec)
mysql> SHOW GRANTS FOR 'root'@'localhost';
+---------------...
Recent file history in Vim?
I would like to access recent files that I had opened and then closed in GVim. I open and close GVim frequently. I would like to access recent files from previous sessions as well.
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