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How do I log errors and warnings into a file?
...ror_log /home/path/public_html/domain/PHP_errors.log. See perishablepress.com/…
– Matthieu
Jan 8 '14 at 8:47
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How can I check which version of Angular I'm using?
...the answers below for Angular versions >= 2.
AngularJS does not have a command line tool.
You can get the version number from the JavaScript file itself.
Header of the current angular.js:
/**
* @license AngularJS v1.0.6
* (c) 2010-2012 Google, Inc. http://angularjs.org
* License: MIT
*/
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Why do we use volatile keyword? [duplicate]
...= 100;
while(some_int == 100)
{
//your code
}
When this program gets compiled, the compiler may optimize this code, if it finds that the program never ever makes any attempt to change the value of some_int, so it may be tempted to optimize the while loop by changing it from while(some_int == 1...
jQuery: Select data attributes that aren't empty?
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Adding div element to body or document in JavaScript
...doing document.body.innerHTML = 'something' incurs in a lot of unnecessary computation because the browser needs to parse the 'something' string and that takes a lot in a big page. A much more performant approach is to create the new element and attach it to the DOM. Check this comparision on jsperf...
Light weight alternative to Hibernate? [closed]
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55
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How to get the last N records in mongodb?
...de(3) == 2; item.divide(3).add(3) == 4; With no order what would be the outcome??? I agree with you that this reversed order is not intuitive. This is no SQL after all it should follow normal OO paradigms.
– RickyA
Feb 17 '13 at 14:25
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Matplotlib make tick labels font size smaller
...ample is shown in the other answer to this question: https://stackoverflow.com/a/11386056/42346
The code below is for illustrative purposes and may not necessarily be optimized.
import matplotlib.pyplot as plt
import numpy as np
def xticklabels_example():
fig = plt.figure()
x = np.arang...
Selenium: FirefoxProfile exception Can't load the profile
...o talk to the extension. Not sure why this is happening...
https://github.com/seleniumhq/selenium-google-code-issue-archive/issues/2061
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Base 64 encode and decode example code
...y not. UTF-8 is guaranteed to be a valid encoding in Java: see docs.oracle.com/javase/8/docs/api/java/nio/charset/Charset.html. Admittedly these days I'd specify StandardCharsets.UTF_8 instead. I've updated the answer to specify that you should be confident in the presence of the charset, but I'd pr...