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Regular expression to match DNS hostname or IP Address?
Does anyone have a regular expression handy that will match any legal DNS hostname or IP address?
21 Answers
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Java Programming - Where should SQL statements be stored? [closed]
...Hardcoded (as static final constants) is the first step.
Stored in a file (properties/xml file) is the next step.
Metadata driven (as done by an ORM like Hibernate/JPA) is the last step.
Hardcoded has the disadvantage that your code is likely to become DB-specific and that you need to rewrite/rebui...
地图组件（高德地图） · App Inventor 2 中文网
...础容器，默认“高德地图”）
一个二维容器，用于在背景中渲染地图图块，并允许使用多个 标记 元素来标识地图上的点。
原版是OpenStreet开源地图，国内无法访问，中文网已深度定制，默认接入国内的高德地图，如...
How to write header row with csv.DictWriter?
... 2.7 / 3.2 there is a new writeheader() method. Also, John Machin's answer provides a simpler method of writing the header row.
Simple example of using the writeheader() method now available in 2.7 / 3.2:
from collections import OrderedDict
ordered_fieldnames = OrderedDict([('field1',None),('field2...
Turn off constraints temporarily (MS SQL)
...CK CONSTRAINT ALL
or
ALTER TABLE foo NOCHECK CONSTRAINT CK_foo_column
Primary keys and unique constraints can not be disabled, but this should be OK if I've understood you correctly.
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JavaScript: Is there a way to get Chrome to break on all errors?
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edited Aug 3 '17 at 21:50
shane
22622 silv...
App Inventor 2 列表代码块 · App Inventor 2 中文网
... 真， 否则，返回 假。
列表转置
使用相反顺序反转列表并返回副本（不改变原列表数据）。
例如：列表转置[1,2,3]，返回 [3,2,1]
列表转换为CSV行
将列表解释为表的一行并返回表示该行的...
I need this baby in a month - send me nine women!
Under what circumstances - if any - does adding programmers to a team actually speed development of an already late project?
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What is the difference between pip and conda?
...v, but these tools did not meet all of our specific requirements. The main problem is that they are focused around Python, neglecting non-Python library dependencies, such as HDF5, MKL, LLVM, etc., which do not have a setup.py in their source code and also do not install files into Python’s site-p...
How to list branches that contain a given commit?
...applied, or you just want to check if commit for your favorite open source project that reduces memory usage by 75% is in yet.
$ git log -1 tests
commit d590f2ac0635ec0053c4a7377bd929943d475297
Author: Nick Quaranto <nick@quaran.to>
Date: Wed Apr 1 20:38:59 2009 -0400
Green all around,...