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How to change node.js's console font color?
...DIT:
For example, \x1b[31m is an escape sequence that will be intercepted by your terminal and instructs it to switch to the red color. In fact, \x1b is the code for the non-printable control character escape. Escape sequences dealing only with colors and styles are also known as ANSI escape code a...
What is the difference between the bridge pattern and the strategy pattern?
...D. The functionality for each button is abstracted from the implementation by the implementer interface.
This allows us to change how the remote will work for each device.
Strategy (Behavioural)
Define a family of algorithms , encapsulate each one and make them interchangeable.
In stra...
PHP ORMs: Doctrine vs. Propel
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That looks ok, but you still set the property by calling: $x->propname = 'abc'; This is problematic because it doesn't appear to support passing multiple parameters.
– lo_fye
Jan 20 '10 at 17:11
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IntelliJ beginning of file keyboard shortcut
...answered Mar 13 '12 at 19:40
KirbyKirby
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Multiple Inheritance in C#
...have to expose them as internal or (ug) public, though I think composition by contract is the best way to solve multiple inheritance.
– cfeduke
Oct 10 '08 at 10:52
4
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What is the purpose of XORing a register with itself? [duplicate]
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Yes, it is more efficient.
The opcode is shorter than mov eax, 0, only 2 bytes, and the processor recognizes the special case and treats it as a mov eax, 0 without a false read dependency on eax, so the execution time is the same.
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MongoDB/Mongoose querying at a specific date?
...ork since it also mutates today. Calling moment(today) solves that problem by implicitly cloning today.
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Append value to empty vector in R?
...o a vector in a for loop is not really the philosophy in R. R works better by operating on vectors as a whole, as @BrodieG pointed out. See if your code can't be rewritten as:
ouput <- sapply(values, function(v) return(2*v))
Output will be a vector of return values. You can also use lapply if ...
Get form data in ReactJS
...here are a few ways to do this:
1) Get values from array of form elements by index
handleSubmit = (event) => {
event.preventDefault();
console.log(event.target[0].value)
}
2) Using name attribute in html
handleSubmit = (event) => {
event.preventDefault();
console.log(event.target....
Is there type Long in SQLite?
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INTEGER. The value is a signed integer, stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of the value.
Since long is 8 byte and INTEGER can also save values of 8 bytes, you can use INTEGER.
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