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What open source C++ static analysis tools are available? [closed]
... initialization to assignment in constructors.
Make destructors virtual in base classes.
Have "operator=" return a reference to *this.
Don’t try to return a reference when you must return an object.
Distinguish between prefix and postfix forms of increment and decrement operators.
Never overload "...
What is the difference between atan and atan2 in C++?
...
tan(α) = sin(α) / cos(α)
and we differentiate between four quadrants based on the angle that we supply to the functions. The sign of the sin, cos and tan have the following relationship (where we neglect the exact multiples of π/2):
Quadrant Angle sin cos tan
----------...
How do I resize an image using PIL and maintain its aspect ratio?
... multiplying the original height (img.size[1]) by that percentage. Change "basewidth" to any other number to change the default width of your images.
from PIL import Image
basewidth = 300
img = Image.open('somepic.jpg')
wpercent = (basewidth/float(img.size[0]))
hsize = int((float(img.size[1])*floa...
iPhone OS: How do I create an NSDate for a specific date?
...= [DateHelper parseDateString:@"Jul 16, 2013"];
Note: this function was based on code taken from here:
https://stackoverflow.com/a/3968411/391605
My solution had been to use the following code, but I found that sometimes, it just wouldn't parse, and would return nil.
// Take a date string in t...
Optimize Font Awesome for only used classes
...
Well, the sass can certainly be jiggled a little to make the selectors % based so they are extendable only. Once this is done, classes can be made to match the wanted icons, and then can @extend the font-awesome classes.
Personally, I do this, and don't actually use the classes in the markup, and...
JSHint and jQuery: '$' is not defined
...his problem. It keeps your code "contained" and gives a performance boost (based on Paul Irish's "10 things I learned about Jquery").
I tend to write my module patterns like this:
(function (window) {
// Handle dependencies
var angular = window.angular,
$ = window.$,
docume...
Using multiple delimiters in awk
...r the OFS like -F.
{print $3, $5, $NF} prints the 3rd, 5th and last fields based on the input field separator.
See another example:
$ cat file
hello#how_are_you
i#am_very#well_thank#you
This file has two fields separators, # and _. If we want to print the second field regardless of the separa...
Interview questions: WPF Developer [closed]
...k is longer).
I have had a zero failure rate on making a hiring descision based on the results of an actual real life programming test.
The task doesn't have to be too difficult. I've used a simple message of the day application in the past with the messages being held in a database or XML file an...
Simple regular expression for a decimal with a precision of 2
... number should always have two decimals even if the last is zero. This is based on my experience with significant figures so it could be wrong, but you don't actually know if 1.7 is 1.70 or any number from 1.70 to 1.74.
– paxdiablo
Nov 21 '08 at 9:17
...
How do I force make/GCC to show me the commands?
...ke VERBOSE=1 is for CMake. Your trials were most likely with GNU autotools-based projects.
– Ruslan
Dec 15 '18 at 19:01
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