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How to get a password from a shell script without echoing
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Here is another way to do it:
#!/bin/bash
# Read Password
echo -n Password:
read -s password
echo
# Run Command
echo $password
The read -s will turn off echo for you. Just replace the echo on the last line with the command you want to run.
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How to deep copy a list?
I have some problem with a List copy:
8 Answers
8
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how to append a list object to another
in C++, I have two list<T> objects A and B and I want to add all the members of B to the end of A . I've searched a few different sources and haven't found a simple solution (e.i. A.append(B); ) and this surprises me a bit.
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Difference between add(), replace(), and addToBackStack()
What is the main difference between calling these methods:
9 Answers
9
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How to use a variable inside a regular expression?
I'd like to use a variable inside a regex , how can I do this in Python ?
10 Answers
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Which equals operator (== vs ===) should be used in JavaScript comparisons?
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The strict equality operator (===) behaves identically to the abstract equality operator (==) except no type conversion is done, and the types must be the same to be considered equal.
Reference: Javascript Tutorial: Comparison Operators
The == operator will ...
Abusing the algebra of algebraic data types - why does this work?
The 'algebraic' expression for algebraic data types looks very suggestive to someone with a background in mathematics. Let me try to explain what I mean.
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Remove duplicate values from JS array [duplicate]
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Martijn Pieters♦
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answered Feb 10 '12 at 15:13
Roman BataevRoman Bat...
Self-references in object literals / initializers
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Well, the only thing that I can tell you about are getter:
var foo = {
a: 5,
b: 6,
get c() {
return this.a + this.b;
}
}
console.log(foo.c) // 11
This is a syntactic extension introduced by the ECMAScript 5th Edition Specification, th...
Best approach to converting Boolean object to string in java
I am trying to convert boolean to string type...
7 Answers
7
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