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How to get the host name of the current machine as defined in the Ansible hosts file?
...ostname.
- name: Install this only for local dev machine
pip: name=pyramid
when: inventory_hostname == "local"
It is somewhat hidden in the documentation at the bottom of this section.
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App Inventor 2 XML数据解析教程 - 从Web API获取和解析XML · App Inventor 2 中文网
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属性(Attribute)
元素的附加信息
id="101010100"
根元素(Root)
XML的最外层元素
子元素(Child)
嵌套在元素内的元素
是 的子元素
方案一：正则表达式提...
How do I convert a string to a double in Python?
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incidentally, this also works with exponent notation. eg: float('7.5606e-08') produces the expected python float.
– drevicko
Feb 13 '14 at 7:33
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MySQL: Invalid use of group function
...s you expect. Rewrite your subquery as:
( -- where that pid is in the set:
SELECT c2.pid -- of pids
FROM Catalog AS c2 -- from catalog
WHERE c2.pid = c1.pid
HAVING COUNT(c2.sid) >= 2)
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How to select following sibling/xml tag using xpath
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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argparse module How to add option without any argument?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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Accessing a class's constants
...alue! CONSTANT_NAME = ["a", "b", "c"].freeze
– mutexkid
Oct 8 '15 at 15:57
6
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Adding Xcode Workspace Schemes to Version Control
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Choose Manage Schemes from the Schemes control. Check "Shared" beside any schemes you'd like to share. The schemes will be moved into a folder called "xcshareddata".
Update: This works the same for Xcode 4-8.
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Is it possible to create static classes in PHP (like in C#)?
... one:
<?php
class Hello
{
/**
* Construct won't be called inside this class and is uncallable from
* the outside. This prevents instantiating this class.
* This is by purpose, because we want a static class.
*/
private function __construct() {}
private static $gr...
Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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