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How do I check that a number is float or integer?
... "" and 1.0 isInt(""); && isInt(1.0); both result in true see this demo jsbin.com/elohuq/1/edit
– Champ
Oct 4 '12 at 9:43
9
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Auto-center map with multiple markers in Google Maps API v3
...translate between lat/lon and pixel coordinates. The pixel coordinates are based on a plane of the entire world fully zoomed in, but you can then find the center of that and switch it back into lat/lon.
var HALF_WORLD_CIRCUMFERENCE = 268435456; // in pixels at zoom level 21
var WORLD_RADIUS =...
How can I declare and define multiple variables in one line using C++?
...
Between the last two I decide based on whether the two values must really be the same type (bool previousInputValue, presentInputValue;) or if they just happen to be the same type now but don't really need to be (uint8_t height, width; might turn into uin...
Is there a NumPy function to return the first index of something in an array?
...
Just to add a very performant and handy numba alternative based on np.ndenumerate to find the first index:
from numba import njit
import numpy as np
@njit
def index(array, item):
for idx, val in np.ndenumerate(array):
if val == item:
return idx
# If no ...
Generating random strings with T-SQL
...is to compute @dice = rand(@seed) * len(@specials)+1 to make the indexes 1 based.
– Remus Rusanu
Feb 17 '16 at 13:42
T...
input type=file show only button
...gt;Select file</label>
Add the style to the label as a button.
Live Demo
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Fastest way to flatten / un-flatten nested JSON objects
...the current solution in most (but not all) cases.
The current JSFiddle demo gave the following values as output:
Nested : 132175 : 63
Flattened : 132175 : 564
Nested : 132175 : 54
Flattened : 132175 : 508
My updated JSFiddle demo gave the following values as output:
Nested : 132175 : 59
Flat...
Python: print a generator expression?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Impossible to Install PG gem on my mac with Mavericks
.../pg_config
Once done, install the pg gem with
env ARCHFLAGS="-arch x86_64" gem install pg -- --with-pg-config=/usr/local/Cellar/postgresql/9.3.3/bin/pg_config
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How can I pad an int with leading zeros when using cout
... formatting information below.
//
// Print the number "n" in the given "base"
// using exactly "numDigits".
// Print +/- if signed flag "isSigned" is TRUE.
// Use the character specified in "padchar" to pad extra characters.
//
// Examples:
// sprintfNum(pszBuffer, 6, 10, 6, TRUE,...