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Most efficient way to store thousand telephone numbers
... the first m bits are 1...11 - this last count is 1000(decimal). There are 2^m such counts and each count is at most 1000. If we omit the last one (because we know it is 1000 anyway), we can store all of these numbers in a contiguous block of (2^m - 1) * 10 bits. (10 bits is enough for storing a num...
How can I setup & run PhantomJS on Ubuntu?
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25 Answers
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Unix command to prepend text to a file
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edited Jun 29 '18 at 6:14
Kyle
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answe...
What is the difference between children and childNodes in JavaScript?
... Only Elements have .children, and these children are all of type Element. 2
However, .childNodes is a property of Node. .childNodes can contain any node. 3
A concrete example would be:
let el = document.createElement("div");
el.textContent = "foo";
el.childNodes.length === 1; // Contains a Text...
Switch statement fallthrough in C#?
... 0), or using the special goto case (see case 1) or goto default (see case 2) forms:
switch (/*...*/) {
case 0: // shares the exact same code as case 1
case 1:
// do something
goto case 2;
case 2:
// do something else
goto default;
default:
//...
How can I run dos2unix on an entire directory? [closed]
I have to convert an entire directory using dos2unix . I am not able to figure out how to do this.
11 Answers
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Auto-indent in Notepad++
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answered Jan 5 '09 at 7:26
scronidescronide
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How to write header row with csv.DictWriter?
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Edit:
In 2.7 / 3.2 there is a new writeheader() method. Also, John Machin's answer provides a simpler method of writing the header row.
Simple example of using the writeheader() method now available in 2.7 / 3.2:
from collections imp...
What is the difference between Android margin start/end and right/left?
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2 Answers
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