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Generating Guids in Ruby
...
Google yields the following Ruby library:
http://raa.ruby-lang.org/project/ruby-guid/
Also, over at http://www.ruby-forum.com/topic/99262 they say you can install a gem (execute gem uuid on the command line to install it) a...
Difference between console.log() and console.debug()?
Google has not been helpful for me, since searching for "console.debug" just brings up a bunch of pages that have the words "console" and "debug" on them.
...
Convert an image to grayscale in HTML/CSS
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img {
filter: gray; /* IE6-9 */
-webkit-filter: grayscale(1); /* Google Chrome, Safari 6+ & Opera 15+ */
filter: grayscale(1); /* Microsoft Edge and Firefox 35+ */
}
/* Disable grayscale on hover */
img:hover {
-webkit-filter: grayscale(0);
filter: none;
}
<img src="...
Reading/writing an INI file
...:
MyIni.Write("DefaultVolume", "100");
MyIni.Write("HomePage", "http://www.google.com");
To create a file like this:
[MyProg]
DefaultVolume=100
HomePage=http://www.google.com
To read the values out of the INI file:
var DefaultVolume = MyIni.Read("DefaultVolume");
var HomePage = MyIni.Read("HomePag...
How can I detect if a browser is blocking a popup?
...is code:
// open after 3 seconds
setTimeout(() => window.open('http://google.com'), 3000);
The popup opens in Chrome, but gets blocked in Firefox.
…And this works in Firefox too:
// open after 1 seconds
setTimeout(() => window.open('http://google.com'), 1000);
The difference is that...
Python : List of dict, if exists increment a dict value, if not append a new dict
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# urls_d will contain URL keys, with counts as values, like: {'http://www.google.fr/' : 1 }
urls_d = {}
for url in list_of_urls:
if not url in urls_d:
urls_d[url] = 1
else:
urls_d[url] += 1
This code for updating a dictionary of counts is a common "pattern" in Python. It ...
Python Requests - No connection adapters
...u define your url like below, this exception will raise:
url = '''
http://google.com
'''
because there are '\n' hide in the string. The url in fact become:
\nhttp://google.com\n
share
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improve...
PHP memory profiling
...d.out", "w"));
Finally open the callgrind.out file with KCachegrind
Using Google gperftools (recommended!)
First of all install the Google gperftools by downloading the latest package here: https://code.google.com/p/gperftools/
Then as always:
sudo apt-get update
sudo apt-get install libunwind-dev ...
How to force Selenium WebDriver to click on element which is not currently visible?
...Javascript, the method bot.dom.isShown is what determines visibility: code.google.com/p/selenium/source/browse/trunk/javascript/atoms/…
– lukeis
Jun 3 '12 at 3:20
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Is there a method to generate a UUID with go language
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There is an official implementation by Google: https://github.com/google/uuid
Generating a version 4 UUID works like this:
package main
import (
"fmt"
"github.com/google/uuid"
)
func main() {
id := uuid.New()
fmt.Println(id.String())
}
Try it...