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RabbitMQ and relationship between channel and connection
...s.
You can use one Channel for everything. However, if you have multiple threads, it's suggested to use a different Channel for each thread.
Channel thread-safety in Java Client API Guide:
Channel instances are safe for use by multiple threads. Requests into
a Channel are serialized, with on...
Pass props to parent component in React.js
...ss a child's props to its parent using events, in React.js?
The parent already has that child prop!: if the child has a prop, then it is because its parent provided that prop to the child! Why do you want the child to pass back the prop to the parent, while the parent obviously already has that pr...
How to use OR condition in a JavaScript IF statement?
...racter count. Keeping the statements in parenthesis does make it easier to read though.
– TimSmith-Aardwolf
Jul 13 '15 at 15:03
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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
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I learned to read the syntax error before posting here and using Google. I was trying to convert the raw_input for salesAmount to an int rather than a float. Do you know why int will not work, but rather float would? Bare with me, lol.
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How do you set EditText to only accept numeric values in Android?
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I'm assuming the string should read 0123456789. and not 0123456780.
– audiFanatic
Feb 1 '14 at 1:28
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How to map with index in Ruby?
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IMO this is simpler and better-reading in 1.8.7+: arr.map.with_index{ |o,i| [o,i+2] }
– Phrogz
Jan 15 '11 at 2:43
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Where does the .gitignore file belong?
...Linux kernel source repository has 206 .gitignore files.
-- this is what i read from progit.pdf(version 2), P32
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Is it possible to view bytecode of Class file? [duplicate]
...te code level is possible. Have a look at BCEL, a java library designed to read, manipulate and write class files.
A list of tool and libraries to edit byte code can be found on java-net. For example JBE, a Java Byte Code editor that even comes with a GUI.
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Multiplication on command line terminal
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By the way (for future readers), my example should have shown non-integer operands instead of only a non-integer result in order to accurately counter the assertion. Never fear, echo '4 k 50.5 7 / p' | dc works (output: 7.2142).
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Check whether a string matches a regex in JS
...})$/)) {
alert("match!");
}
But test() seems to be faster as you can read here.
Important difference between match() and test():
match() works only with strings, but test() works also with integers.
12345.match(/^([a-z0-9]{5,})$/); // ERROR
/^([a-z0-9]{5,})$/.test(12345); // true
/^([a-z0-...