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Difference between application/x-javascript and text/javascript content types
...itted in HTML 5).
This isn't a problem in HTTP headers as browsers universally (as far as I'm aware) either ignore the HTTP content-type of scripts entirely, or are modern enough to recognise application/javascript.
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Why aren't superclass __init__ methods automatically invoked?
...se class. You may have more parameters, fewer, they may be in a different order or not related at all.
class myFile(object):
def __init__(self, filename, mode):
self.f = open(filename, mode)
class readFile(myFile):
def __init__(self, filename):
super(readFile, self).__init_...
PHPExcel auto size column width
...lumnDimension('G')->setWidth(35); the columns in the list may be of any order.
– Rosa Mystica
Dec 19 '17 at 9:57
...
Benefits of using the conditional ?: (ternary) operator
...
I would basically recommend using it only when the resulting statement is extremely short and represents a significant increase in conciseness over the if/else equivalent without sacrificing readability.
Good example:
int result = Check...
Go > operators
... 2, 5 times" or 32. And 32 >> 5 is "32 divided by 2, 5 times" or 1.
All the other answers give the more technical definition, but nobody laid it out really bluntly and I thought you might want that.
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How to run a shell script on a Unix console or Mac terminal?
... Then, the script is passed to the program (as second argument) along with all the arguments you gave the script as subsequent arguments.
That means every script that is executable should have a hashbang. If it doesn't, you're not telling the kernel what it is, and therefore the kernel doesn't kno...
How to convert a string to lower case in Bash?
...ous ways:
POSIX standard
tr
$ echo "$a" | tr '[:upper:]' '[:lower:]'
hi all
AWK
$ echo "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all
sed
$ echo "$a" | sed -e 's/\(.*\)/\L\1/'
hi all
# t...
How to implement a binary tree?
... else:
self.addNode(node.right, value)
def printInorder(self, node):
if(node!=None):
self.printInorder(node.left)
print(node.data)
self.printInorder(node.right)
def main():
testTree = Tree()
testTree.addNode(testTree.root,...
How to change default timezone for Active Record in Rails?
... change them in the frontend like with moment.js or what do you suggest in order to show this data in the correct time zone for any user?
– alexventuraio
Nov 11 '16 at 4:20
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phpcms后台表单多选统计不准确的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
phpcms后台表单多选统计不准确的解决方法这是由于逻辑有误导致，原逻辑为值与选项值相等才统计一次，但针对多选肯定就不适用了，比如选项1,选项2算两项而不是判断失败不统计。正确...这是由于逻辑有误导致，原逻辑为值与...