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How to get first and last day of the week in JavaScript
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190
var curr = new Date; // get current date
var first = curr.getDate() - curr.getDay(); // First ...
Python, creating objects
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174
class Student(object):
name = ""
age = 0
major = ""
# The class "constructor"...
Scala underscore - ERROR: missing parameter type for expanded function
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1 Answer
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Get all keys of an NSDictionary as an NSArray
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184
Just use
NSArray*keys=[dict allKeys];
In general, if you wonder if a specific class has a ...
Evaluate if list is empty JSTL
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edited Nov 22 '19 at 10:05
informatik01
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Execute Python script via crontab
...e a python script using the Linux crontab. I want to run this script every 10 minutes.
3 Answers
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initializing a boolean array in java
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edited Jan 2 '13 at 16:17
answered Mar 2 '10 at 16:42
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UITableView with fixed section headers
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edited Jan 7 '17 at 17:33
answered Jul 11 '13 at 1:22
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Add new row to dataframe, at specific row-index, not appended?
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159
Here's a solution that avoids the (often slow) rbind call:
existingDF <- as.data.frame(mat...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...ulates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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