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How to allow to accept only image files?
... anything at all, so be sure to test your target platforms well.
For detailed browser support, see http://caniuse.com/#feat=input-file-accept
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HTML5 Email Validation
It is said "With HTML5, we need no more js or a server side code to check if the user's input is a valid email or url address"
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FAT32文件系统格式详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...文件分配表FAT由16位扩充为32位，所以称为FAT32文件系统。在一逻辑盘（硬盘的一分区）超过 512 兆字节时使用这种格式，会更高效地存储数据，减少硬盘空间的浪费，一般还会使程序运行加快，使用的计算机系统资源更少，因此...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...her part of the content type separately (for example, you have some text/plain pages, and some text/html pages, but they are all UTF8.) Is my understanding correct?
– Eric Seastrand
Jan 29 '15 at 15:55
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Open a new tab in gnome-terminal using command line [closed]
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You can also have each tab run a set command.
gnome-terminal --tab -e "tail -f somefile" --tab -e "some_other_command"
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Are there any suggestions for developing a C# coding standards / best practices document? [closed]
I'm a recent AI graduate (circa 2 years) working for a modest operation. It has fallen to me (primarily as I'm the first 'adopter' in the department) to create a basic (read useful?) C# coding standards document.
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How to paste in a new line with vim?
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@AI: Using the ',p' (',' is mapped as my <Leader>) is the best solution in my opinion. YOu even provided an easy to use function. :) Great!
– Somebody still uses you MS-DOS
May 25 '...
How can I list all tags in my Git repository by the date they were created?
... easy reference: git log --tags --simplify-by-decoration --pretty="format:%ai %d"
– Gilead
Oct 24 '12 at 13:02
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...oDate/UpToDate C r----
3.2挂载使用
mke2fs -j -L DRBD /dev/drbd0 # 仅在一个节点执行
mkdir /mnt/drbd
mount /dev/drbd0 /mnt/drbd
如果之前提升二个节点都为主资源时,在这个 /mnt/drbd
目录下同时读写可能会有IO异常,导致drbd设备失效
为了解决这个问...
Zip lists in Python
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When you zip() together three lists containing 20 elements each, the result has twenty elements. Each element is a three-tuple.
See for yourself:
In [1]: a = b = c = range(20)
In [2]: zip(a, b, c)
Out[2]:
[(0, 0, 0),
(1, 1, 1),
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(17, 17, 17),
(18, 18, 18...