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How to exclude this / current / dot folder from find “type d”
can be used to find all directories below some start point. But it returns the current directory ( . ) too, which may be undesired. How can it be excluded?
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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
...hat everyone here talked about multiplying a float with a string (but here all my element were floats all along) so the problem was actually using the * operator on a list.
For example:
import math
import numpy as np
alpha = 0.2
beta=1-alpha
C = (-math.log(1-beta))/alpha
coff = [0.0,0.01,0.0,0.3...
Eclipse comment/uncomment shortcut?
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Use
Ctrl + SHIFT + L which will open a list of all major shortcuts for eclipse.
For single line java code comment and uncomment : Ctrl + / (Forward
Slash)
For multiple line java code comment : Ctrl + Shift +
/ (Forward Slash) and
Multiline uncomment : Ctrl + Shift +
\ ...
Remove padding or margins from Google Charts
...his can get help from it. Inside the options you can pass a new parameter called chartArea.
var options = {
chartArea:{left:10,top:20,width:"100%",height:"100%"}
};
Left and top options will define the amount of padding from left and top. Hope this will help.
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How to integrate nodeJS + Socket.IO and PHP?
...our project, like realtime notifications, chat, ... And you want to manage all the other stuff with PHP, because it is probably more easy for you (and you can take advantage of the existing frameworks, like CodeIgniter or Symfony).
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Count number of matches of a regex in Javascript
... mentioned in my earlier answer, you can use RegExp.exec() to iterate over all matches and count each occurrence; the advantage is limited to memory only, because on the whole it's about 20% slower than using String.match().
var re = /\s/g,
count = 0;
while (re.exec(text) !== null) {
++count;
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Multiplication on command line terminal
...ered Jun 14 '12 at 19:29
We Are All MonicaWe Are All Monica
11.3k77 gold badges3939 silver badges6767 bronze badges
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What happens if you call erase() on a map element while iterating from begin to end?
...o I need to collect the keys in another container and do a second loop to call the erase()?
3 Answers
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Formula to determine brightness of RGB color
...Note that both of these emphasize the physiological aspects: the human eyeball is most sensitive to green light, less to red and least to blue.
– Bob Cross
Feb 27 '09 at 19:28
18
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Check whether a string matches a regex in JS
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Use regex.test() if all you want is a boolean result:
console.log(/^([a-z0-9]{5,})$/.test('abc1')); // false
console.log(/^([a-z0-9]{5,})$/.test('abc12')); // true
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true
...and ...