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How to print out the method name and line number and conditionally disable NSLog?
...e.g. ALog(@"Hello world") ) will look like this:
-[LibraryController awakeFromNib] [Line 364] Hello world
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Can I set background image and opacity in the same property?
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Generated content from IE8 up. caniuse.com/#feat=css-gencontent, use filter property for IE8. caniuse.com/#search=opacity
– Dan Eastwell
Jun 1 '12 at 11:18
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Track the time a command takes in UNIX/LINUX?
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Note that using /usr/bin/time prevents you from using bash aliases. The bash builtin time is needed for that, else you'll get the error cannot run my_alias: No such file or directory.
– Jamie S
Sep 20 '18 at 17:28
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How to Truncate a string in PHP to the word closest to a certain number of characters?
I have a code snippet written in PHP that pulls a block of text from a database and sends it out to a widget on a webpage. The original block of text can be a lengthy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to cho...
How to place div side by side
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HTML 5 solution from @filoxo, use that instead
– TheMcMurder
May 13 '15 at 0:46
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How do I generate random integers within a specific range in Java?
... do multiple separate calls, you can create an infinite primitive iterator from the stream:
public final class IntRandomNumberGenerator {
private PrimitiveIterator.OfInt randomIterator;
/**
* Initialize a new random number generator that generates
* random numbers in the range [...
How do I access this object property with an illegal name?
...e obvious $ret['todo-list'] accessing), this code is taken almost verbatim from Zend_Config and will convert for you.
public function toArray()
{
$array = array();
foreach ($this->_data as $key => $value) {
if ($value instanceof StdClass) {
$array[$key] = $value-&g...
How to force vim to syntax-highlight a file as html?
...e* set filetype=docker Just using Dockerfile* prevents syntax highlighting from working when using vi Dockerfile - adding the backslash allows it to work for Dockerfile / Dockerfile.something and Dockerfilesomething
– Android Control
Oct 15 '19 at 12:22
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How to round up to the nearest 10 (or 100 or X)?
... is. The following lets us define "nice" as a vector with nice base values from 1 to 10. The default is set to the even numbers plus 5.
roundUpNice <- function(x, nice=c(1,2,4,5,6,8,10)) {
if(length(x) != 1) stop("'x' must be of length 1")
10^floor(log10(x)) * nice[[which(x <= 10^floo...
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...sions) checks for missing values in both numeric and string/object arrays. From the documentation, it checks for:
NaN in numeric arrays, None/NaN in object arrays
Quick example:
import pandas as pd
import numpy as np
s = pd.Series(['apple', np.nan, 'banana'])
pd.isnull(s)
Out[9]:
0 False
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