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Difference between static STATIC_URL and STATIC_ROOT on Django
... to static method instead of STATIC_URL method, and the bug was gone. Good call on the suggestions based on versions.
– User
Jun 29 '14 at 15:08
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
... authentiation style in the DBA StackExchange.
Don't forget to explicitly call for TCP as the protocol for mysql client when necessary.
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Python dict how to create key or append an element to key?
...nce you don't end up creating new lists that you don't end up using. Every call to setdefault is going to create a new list, even if the item already exists in the dictionary.
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Converting PKCS#12 certificate into PEM using OpenSSL
...o understand it as I am going to use it in future (to simplify my solution calling openssh as command)
– Jan Vlcinsky
May 8 '14 at 21:40
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...值为TCP、SSL和TLS，其他值将被忽略。
身份标识
ClientID - 客户端ID
可选：唯一客户端标识。如果未指定任何值，则内部会分配一个随机值 (GUID)。同时连接到同一消息服务器的所有客户端，客户端ID必须是唯一的。
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python's re: return True if string contains regex pattern
...t;>> n.group()
If not, it will return None
Traceback (most recent call last):
File "<pyshell#17>", line 1, in <module>
n.group()
AttributeError: 'NoneType' object has no attribute 'group'
And just to print it to demonstrate again:
>>> print n
None
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Each for object? [duplicate]
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A javascript Object does not have a standard .each function. jQuery provides a function. See http://api.jquery.com/jQuery.each/ The below should work
$.each(object, function(index, value) {
console.log(value);
});
Another option would be to use vanilla Javascript using the Object.keys() a...
How do you push just a single Git branch (and no other branches)?
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So let's say you have a local branch foo, a remote called origin and a remote branch origin/master.
To push the contents of foo to origin/master, you first need to set its upstream:
git checkout foo
git branch -u origin/master
Then you can push to this branch using:
git ...
In javascript, is an empty string always false as a boolean?
... them to Numbers, according to their value, (using operations the standard calls ToNumber and ToPrimitive), and then it internally applies ===. But when you use === directly, the types are not converted, so comparing a String to a Boolean is always false.
Roughly speaking, JavaScript conditionals ...
Signal handling with multiple threads in Linux
...Note that this is specific to SIGUSR1, which IIRC doesn't interrupt system calls. If you tried this with SIGINT for example, it could interrupt a stream read, and when you went to return to reading, the stream may return an error that it was interrupted.
– Alan
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