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How do I reference a javascript object property with a hyphen in it?
...notation rather than dot
style["text-align"]
All arrays in js are objects and all objects are just associative arrays, this means you can refer to a place in an object just as you would refer to a key in an array.
arr[0]
or the object
obj["method"] == obj.method
a couple things to remember when a...
How do you tell if a string contains another string in POSIX sh?
... ]]
then
echo "String2 present"
else
echo "Else"
fi
As an added bonus (and/or a warning, if your strings have any funny characters in them), =~ accepts regexes as the right operand if you leave out the quotes.
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理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... convenient way of dealing with the situation where you have to do a setup and teardown to make something happen. A very good example for this is the situation where you want to gain a handler to a file, read data from the file and the close the file handler.
有一些任务，可能事先需要设...
How to paste over without overwriting register
...d be fine as long as you don't use a plugin that has a non-nore vmap to p, and that expects a register to be overwritten.
This code is available as a script there. Ingo Karkat also defined a plugin solving the same issue.
s...
How to remove “index.php” in codeigniter's path
...f you have index.php in the URL, it's not actually removed, it stays there and keeps working.
– CMCDragonkai
Dec 3 '13 at 8:06
1
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How to check if array element exists or not in javascript?
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Unfortunately, this one doesn't work in IE 7 and below.
– darksoulsong
Oct 7 '14 at 15:21
4
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Are nested try/except blocks in python a good programming practice?
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return object.__getattribute__(item) is incorrect and will produce a TypeError because the wrong number of arguments are being passed. It should instead be return object.__getattribute__(self, item).
– martineau
Jun 20 '14 at 1:05
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How to overcome “datetime.datetime not JSON serializable”?
...h requires no dependencies.
As you are using mongoengine (per comments) and pymongo is a dependency, pymongo has built-in utilities to help with json serialization:
http://api.mongodb.org/python/1.10.1/api/bson/json_util.html
Example usage (serialization):
from bson import json_util
import json...
Read url to string in few lines of java code
...nner scanner = new Scanner(new URL(requestURL).openStream(),
StandardCharsets.UTF_8.toString()))
{
scanner.useDelimiter("\\A");
return scanner.hasNext() ? scanner.next() : "";
}
}
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What is the simplest SQL Query to find the second largest value?
... produce the correct second largest value while if you used the top 2 desc and min approach, you may get the largest value instead.
– Pankaj Sharma
Apr 1 '13 at 19:22
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