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How to calculate the SVG Path for an arc (of a circle)
...of a path with many components. Or maybe they did it to make sure rounding errors didn't build up along the length of a complex path.
The implementation notes are also useful for the original question, since they have more mathematical pseudocode for converting between the two parameterizations (wh...
Regex replace uppercase with lowercase letters
I'm trying to replace uppercase letters with corresponding lowercase letters using regex.
So that
6 Answers
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Hash function that produces short hashes?
...tly unique...
I'm no expert, so please correct this if it has any glaring errors (in Python again like the accepted answer):
import base64
import hashlib
import uuid
unique_id = uuid.uuid4()
# unique_id = UUID('8da617a7-0bd6-4cce-ae49-5d31f2a5a35f')
hash = hashlib.sha1(str(unique_id).encode("UTF...
How do I print debug messages in the Google Chrome JavaScript Console?
....log || function(){};
console.warn = console.warn || function(){};
console.error = console.error || function(){};
console.info = console.info || function(){};
Then, use any of the following:
console.log(...);
console.error(...);
console.info(...);
console.warn(...);
These functions will log dif...
How to make a SIMPLE C++ Makefile
...
As far as I can tell, that error message only comes up if you have spaces. Make sure that you don't have any lines starting with spaces (space + tab will give that error). That's the only thing I can think of..
– Brendan Long
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do { … } while (0) — what is it good for? [duplicate]
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#define FOO(x) foo(x); bar(x)
if (condition)
FOO(x);
else // syntax error here
...;
Even using braces doesn't help:
#define FOO(x) { foo(x); bar(x); }
Using this in an if statement would require that you omit the semicolon, which is counterintuitive:
if (condition)
FOO(x)
else
...
remove None value from a list without removing the 0 value
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How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
... $ mkdir bkptest
tmp $ mysqldump -u root -T bkptest bkptest
mysqldump: Got error: 1: Can't create/write to file '/Users/username/tmp/bkptest/people.txt' (Errcode: 13) when executing 'SELECT INTO OUTFILE'
tmp $ chmod a+rwx bkptest/
tmp $ mysqldump -u root -T bkptest bkptest
tmp $ ls bkptest/
people.s...
How to use Morgan logger?
...ilt to do logging in the way that servers like Apache and Nginx log to the error_log or access_log. For reference, this is how you use morgan:
var express = require('express'),
app = express(),
morgan = require('morgan'); // Require morgan before use
// You can set morgan ...
Subqueries vs joins
...a list.
– dacracot
Sep 26 '08 at 19:05
8
That depends - if the subquery is correlated somehow wit...