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Python syntax for “if a or b or c but not all of them”
... sum(conditions) can go wrong if any of them returns 2 for example, which is True.
– eumiro
May 13 '13 at 12:35
7
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Git diff to show only lines that have been modified
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What you want is a diff with 0 lines of context. You can generate this with:
git diff --unified=0
or
git diff -U0
You can also set this as a config option for that repository:
git config diff.context 0
To have it set globally, for any repository:
git config -...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...pan style="white-space:pre"> </span>'header'=> "Content-type: application/x-www-form-urlencoded\r\n" .
<span style="white-space:pre"> </span>"Content-Length: " . strlen($data) . "\r\n",
<span style="white-space:pre"> </span>'content' => $data
<span style="white-space:pre"> </span>)
);
//...
Reload django object from database
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@Yunti You can defer fields, or explicitly ask for only a subset of fields and the resulting object will be only partially populated. refresh_from_db will only update such already populated fields.
– 301_Moved_Permanently
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Where does Jenkins store configuration files for the jobs it runs?
...thin an eponymous directory in jobs/. The job configuration file is config.xml, the builds are stored in builds/, and the working directory is workspace/. See the Jenkins documentation for a visual representation and further details.
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HTML5 doctype putting IE9 into quirks mode?
...
Placing:
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
in the <head> tag should do it.
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How to print a linebreak in a python function?
...= ['a1', 'a2', 'a3']
>>> B = ['b1', 'b2', 'b3']
>>> for x in A:
for i in B:
print ">" + x + "\n" + i
Outputs:
>a1
b1
>a1
b2
>a1
b3
>a2
b1
>a2
b2
>a2
b3
>a3
b1
>a3
b2
>a3
b3
Notice that you are using /n which is not correct!
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How can I have ruby logger log output to stdout as well as file?
...o write and close (not puts). As long as MultiIO responds to those and proxies them to the real IO objects, this should work.
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Difference between . and : in Lua
...lon is for implementing methods that pass self as the first parameter. So x:bar(3,4)should be the same as x.bar(x,3,4).
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Service Temporarily Unavailable Magento?
...there is a file called maintenance.flag and if so delete it.
Magento 1.x : maintenance.flag file is in : magento root directory
Magento 2.x : maintenance.flag file is in : var folder
When Magento is performing certain tasks it temporarily creates this file. Magento checks for its exist...