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How to get the currently logged in user's user id in Django?
...henticated, like so:
if request.user.is_authenticated:
# Do something for authenticated users.
else:
# Do something for anonymous users.
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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
升级过程很顺利
具体情况这里http://pkgs.org/centos-6/ghettoforge-testing-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.r...
Static class initializer in PHP
...
I want to -1 (but I won't) for private constructor and getInstance()... You're going to make it VERY hard to test effectively... At least make it protected so that you have options...
– ircmaxell
Jul 22 '10 at 2...
How to get string objects instead of Unicode from JSON?
...isinstance(data, list):
return [ _byteify(item, ignore_dicts=True) for item in data ]
# if this is a dictionary, return dictionary of byteified keys and values
# but only if we haven't already byteified it
if isinstance(data, dict) and not ignore_dicts:
return {
...
Where does Scala look for implicits?
... question to newcomers to Scala seems to be: where does the compiler look for implicits? I mean implicit because the question never seems to get fully formed, as if there weren't words for it. :-) For example, where do the values for integral below come from?
...
Structs in Javascript
...mes.split(' ');
var count = names.length;
function constructor() {
for (var i = 0; i < count; i++) {
this[names[i]] = arguments[i];
}
}
return constructor;
}
var Item = makeStruct("id speaker country");
var row = new Item(1, 'john', 'au');
alert(row.speaker); // displays: j...
Getting Java version at runtime
...
These articles seem to suggest that checking for 1.5 or 1.6 prefix should work, as it follows proper version naming convention.
Sun Technical Articles
J2SE SDK/JRE Version String Naming Convention
Version 1.5.0 or 5.0?
"J2SE also keeps the version number 1.5.0 (or ...
How to avoid .pyc files?
...eter, or by setting the
PYTHONDONTWRITEBYTECODE environment
variable before running the
interpreter. This setting is available
to Python programs as the
sys.dont_write_bytecode variable, and
Python code can change the value to
modify the interpreter’s behaviour.
Update 2010-11-27: ...
PHP: exceptions vs errors?
... are intended to be caught. Errors are generally unrecoverable. Lets say for instance - you have a block of code that will insert a row into a database. It is possible that this call fails (duplicate ID) - you will want to have a "Error" which in this case is an "Exception". When you are inserti...
How to efficiently count the number of keys/properties of an object in JavaScript?
... BTW... just ran some tests... this method runs in O(n) time. A for loop isn't much worse than this method. ** sad face ** stackoverflow.com/questions/7956554/…
– BMiner
Oct 31 '11 at 16:58
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