大约有 16,000 项符合查询结果（耗时：0.0291秒） [XML]
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".
share
|
improve this answer
|
...
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:
...
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:
...
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...
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")...