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Count the number of occurrences of a character in a string in Javascript
I need to count the number of occurrences of a character in a string.
33 Answers
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TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...要多少的时间，从而可以方便地设置Timeout——RTO（Retransmission TimeOut），以让我们的重传机制更高效。 听起来似乎很简单，好像就是在发送端发包时记下t0，然后接收端再把这个ack回来时再记一个t1，于是RTT = t1 – t0。没那么...
JMS and AMQP - RabbitMQ
I am trying to understand what JMS and how it is connected to AMQP terminology.
I know JMS is an API and AMQP is a protocol.
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What is the most elegant way to remove a path from the $PATH variable in Bash?
Or more generally, how do I remove an item from a colon-separated list in a Bash environment variable?
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How do I get a Date without time in Java?
Continuing from Stack Overflow question Java program to get the current date without timestamp :
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How do I pass a string into subprocess.Popen (using the stdin argument)?
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Overload constructor for Scala's Case Classes?
In Scala 2.8 is there a way to overload constructors of a case class?
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JPanel Padding in Java
I have a formatting question for my Java swing application. It should be fairly straightforward, but I am having difficulty finding any aid (Every topic seems to be regarding removing any default padding in JPanel). The text in my various JPanels hug the sides and top, touching the colored borders...
download file using an ajax request
I want to send an "ajax download request" when I click on a button, so I tried in this way:
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Get line number while using grep
I am using grep recursive to search files for a string, and all the matched files and the lines containing that string are print on the terminal. But is it possible to get the line numbers of those lines too??
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