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What breaking changes are introduced in C++11?
...se some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been valid in the first place, but it's still a breaking change none...
Current time formatting with Javascript
...rts:
getFullYear() - Returns the 4-digit year
getMonth() - Returns a zero-based integer (0-11) representing the month of the year.
getDate() - Returns the day of the month (1-31).
getDay() - Returns the day of the week (0-6). 0 is Sunday, 6 is Saturday.
getHours() - Returns the hour of the day (0-...
How to match any non white space character except a particular one?
...ng that is not a whitespace character nor a \. Here's another example:
[abc] means "match a, b or c"; [^abc] means "match any character except a, b or c".
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An example of how to use getopts in bash
...
#!/bin/bash
usage() { echo "Usage: $0 [-s <45|90>] [-p <string>]" 1>&2; exit 1; }
while getopts ":s:p:" o; do
case "${o}" in
s)
s=${OPTARG}
((s == 45 || s == 90)) || usage...
Convert System.Drawing.Color to RGB and Hex Value
...rying to develop the following two. The way I am doing it may have some problem and need your kind advice. In addition, I dont know whether there is any existing method to do the same.
...
How to replace all occurrences of a string?
... As of August 2020, you can use replaceAll
as shown here:
let result = "1 abc 2 abc 3".replaceAll("abc", "xyz");
// `result` is "1 xyz 2 xyz 3"
For older browsers:
Note: Don't use the following solution in performance critical code.
As an alternative to regular expressions for a simple literal str...
Is std::vector so much slower than plain arrays?
...t it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...ust apply a ColorFilter of some sort to overlay a color on top of the drawable. I've tried using PorterDuff.Mode.MULTIPLY, and it works almost exactly as I need, except that whites get overlayed with the color as well. What I'm ideally looking for is something like the "Color" blending mode in Photo...
How to split a long regular expression into multiple lines in JavaScript?
...o keep each line length 80 characters according to JSLint rules. It's just better for reading, I think.
Here's pattern sample:
...
Converting any string into camel case
...place calls:
function camelize(str) {
return str.replace(/(?:^\w|[A-Z]|\b\w)/g, function(word, index) {
return index === 0 ? word.toLowerCase() : word.toUpperCase();
}).replace(/\s+/g, '');
}
camelize("EquipmentClass name");
camelize("Equipment className");
camelize("equipment class name")...