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Sort a list of tuples by 2nd item (integer value) [duplicate]
...the key keyword with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple, so we access [1].
For o...
How to check if a string starts with one of several prefixes?
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Do you mean this:
if (newStr4.startsWith("Mon") || newStr4.startsWith("Tues") || ...)
Or you could use regular expression:
if (newStr4.matches("(Mon|Tues|Wed|Thurs|Fri).*"))
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Remove all multiple spaces in Javascript and replace with single space [duplicate]
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4 Answers
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Why can a function modify some arguments as perceived by the caller, but not others?
...d `x` from main()
n = 2 # put `n` label on `2` balloon
x.append(4) # call `append` method of whatever object `x` is referring to.
print('In f():', n, x)
x = [] # put `x` label on `[]` ballon
# x = [] has no effect on the original list that is passed into the function
Here ...
Number of elements in a javascript object
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ChristophChristoph
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
REDHAT 6.4 X64下ORACLE 11GR2静默安装前言在某些情况下，我们不具备桌面条件，只能在命令行窗口下安装oracle第一REDHAT6.4安装1.2虚拟机安装REDHAT名称随便自己起我没有外部存储...前言
在某些情况下，我们不具备桌面条件，只能在命...
Validate phone number with JavaScript
...y. It validates that the phone number is in one of these formats:
(123) 456-7890 or 123-456-7890
26 Answers
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How to get the filename without the extension from a path in Python?
...2:13
Ord
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answered Mar 24 '09 at 16:43
GeoGeo
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How to JSON serialize sets?
...[1,2,3, set(['knights', 'who', 'say', 'ni']), {'key':'value'}, Decimal('3.14')]
>>> j = dumps(data, cls=PythonObjectEncoder)
>>> loads(j, object_hook=as_python_object)
[1, 2, 3, set(['knights', 'say', 'who', 'ni']), {u'key': u'value'}, Decimal('3.14')]
Alternatively, it may be ...
What is the MySQL VARCHAR max size?
...he limit is lower if you use a multi-byte character set like utf8 or utf8mb4.
Use TEXT types inorder to overcome row size limit.
The four TEXT types are TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT. These correspond to the four BLOB types and have the same maximum lengths and storage requirements.
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