大约有 18,340 项符合查询结果（耗时：0.0293秒） [XML]
MySQL Query to select data from last week?
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SELECT id FROM tbl
WHERE date >= curdate() - INTERVAL DAYOFWEEK(curdate())+6 DAY
AND date < curdate() - INTERVAL DAYOFWEEK(curdate())-1 DAY
share
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How to write iOS app purely in C
... world we wouldn't have to worry about this, but, remember, this is C.
id autoreleasePool = objc_msgSend(objc_msgSend(objc_getClass("NSAutoreleasePool"), sel_registerName("alloc")), sel_registerName("init"));
// Notice the use of CFSTR here. We cannot use an objective-c string
// liter...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
...ode. For example, IE9 supports SVG, <canvas>, <audio> and <video> natively, however you must enable standards compliance mode for them to be available.
General:
Problems with partially loaded documents: It’s a good idea to add your JavaScript in a window.onload or similar ev...
How can I get all the request headers in Django?
...hat has access to request should do.
Update
I need to access it in a Middleware class but when i iterate over it, I get a lot of values apart from HTTP headers.
From the documentation:
With the exception of CONTENT_LENGTH and CONTENT_TYPE, as given above, any HTTP headers in the request a...
When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”
...the artifact download is triggered again. Therefore I'd say it's a client side setting.
Nexus side (server repo side), this issue is solved configuring a scheduled task.
Client side, this is done using -U, as you already pointed out.
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JavaScript function in href vs. onclick
...script is pretty simple. Get the DOM node with obj = document.getElementById(), then set obj.onclick = foo
– Matt Bridges
Jul 1 '09 at 19:24
1
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jQuery `.is(“:visible”)` not working in Chrome
...t definition of what is visible than many developers:
Elements are considered visible if they consume space in the document.
Visible elements have a width or height that is greater than zero.
In other words, an element must have a non-zero width and height to consume space and be visible.
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How to update SQLAlchemy row entry?
... point number 2 is failing if you won't specify class object inside query(). I mean, the final query is session.query(User).filter(User.username == form.username.data).update({"no_of_logins": (User.no_of_logins +1)})
– venkat
Feb 27 at 17:45
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Adding custom radio buttons in android
I have a simple android radio button below
10 Answers
10
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Why is $$ returning the same id as the parent process?
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$$ is defined to return the process ID of the parent in a subshell; from the man page under "Special Parameters":
$ Expands to the process ID of the shell. In a () subshell, it expands to the process ID of the current shell, not the subshell.
In ba...