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Is it possible to use JavaScript to change the meta-tags of the page?
If I put a div in the head and display:none, than use JavaScript to display it, will this work?
17 Answers
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【最全】CSS响应式布局的5种实现方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...: 500px;
height: 500px;
background-color: aqua;
}
@media screen and (max-width: 1280px) {
.box {
width: 400px;
height: 400px;
}
}
@media screen and (max-width: 980px) {
.box {
width: 300px;
height: 300px;
}
}
@media screen and (max-width: 765px)...
Looping in a spiral
...algorithm that would let him loop through the elements of an NxM matrix (N and M are odd). I came up with a solution, but I wanted to see if my fellow SO'ers could come up with a better solution.
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...ge file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
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How to solve “The specified service has been marked for deletion” error
I try to remove a Windows Service with sc delete <service name> , and encounter the following error:
21 Answers
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HTML table headers always visible at top of window when viewing a large table
...tThead (demos available) which is very cool, can work with DataTables too, and can even work inside an overflow: auto container.
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Reducing Django Memory Usage. Low hanging fruit?
My memory usage increases over time and restarting Django is not kind to users.
10 Answers
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How do you round UP a number in Python?
...reats the input as a float (Python does not have strongly-typed variables) and the function returns a float. If you want an int, you can construct an int from the return value, i.e., int(math.ceil(363))
– R. W. Sinnet
Aug 26 '15 at 23:37
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Spring @Transactional - isolation, propagation
...nce characteristics in a multi-threaded application. I think if you understand the dirty reads concept you will be able to select a good option.
Example of when a dirty read can occur:
thread 1 thread 2
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write(x) |
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| read(x)
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
... compiler typically auto generates a default constructor, copy constructor and assignment operator.
3 Answers
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