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How do I make a textbox that only accepts numbers?
...should be first, then pattern. msdn.microsoft.com/en-us/library/sdx2bds0(v=vs.110).aspx
– Mibou
Feb 17 '14 at 9:52
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show 2 more comments
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Webrick as production server vs. Thin or Unicorn?
... granted that you must not use Webrick as production server, but I can't really find anywhere mentioning why. The consensus seems to be:
"Webrick is ok for development, but Thin or Unicorn is the choice for production, period."
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...f the work can
be avoided. With a slightly smarter
linker than is typically used, it is
possible to remove some of these
inefficiencies. This is discussed in
§6.2.3 and §6.2.5.
Since the report was written in 2006 one would hope that many of the recommendations would have been incorpor...
一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...要推广出一个东西很艰难，很多公司喜欢花高价招聘一个开发高手，都不舍得花高价招聘一个推广人员，这就是区别，所以很多产品都死在了推广上。这里说的意思不是技术不重要，只是说明技术是实现产品的前提，他们就是做...
jQuery map vs. each
...ble iterator, where as the map method can be used as an iterator, but is really meant to manipulate the supplied array and return a new array.
Another important thing to note is that the each function returns the original array while the map function returns a new array. If you overuse the return...
Java serialization: readObject() vs. readResolve()
... readResolve() method, on the other hand, remains a bit of a mystery. Basically all documents I found either mention only one of the two or mention both only individually.
...
What is the difference between Debug and Release in Visual Studio?
... result some lines of your code might get left without any instructions at all, or some might get all mixed up. Step-by-step debugging would be impossible. Also, local variables are often optimized in mysterious ways, so Watches and QuickWatches often don't work because the variable is "optimized aw...
What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
...ithout RAID0 EBS will provide crappy I/O performance, thus it's not even really an option.
RDS will provide very good (though not maximum) performance out of the box. The management console is fantastic and it's easy to upgrade instances. High availability and read only slaves are a click away. It'...
SQL : BETWEEN vs =
...
@xmashallax because they are? How are they not?
– Tony Andrews
Sep 16 '16 at 12:51
2
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What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
...ion of the difference between .. (dot-dot) and ... (dot-dot-dot) is essentially the same as in manojlds's answer.
The command git diff typically¹ only shows you the difference between the states of the tree between exactly two points in the commit graph. The .. and ... notations in git diff have t...