大约有 21,000 项符合查询结果（耗时：0.0244秒） [XML]
How do I get the width and height of a HTML5 canvas?
... ctx.arc(50, 50, 50, 0, 2 * Math.PI);
ctx.stroke();
}
// adapted from: https://www.npmjs.com/package/intrinsic-scale
function getObjectFitSize(
contains /* true = contain, false = cover */,
containerWidth,
containerHeight,
width,
height
) {
var doRatio = width / height;
var cRatio ...
Query-string encoding of a Javascript Object
...");
}
console.log(serialize({
foo: "hi there",
bar: {
blah: 123,
quux: [1, 2, 3]
}
}));
// foo=hi%20there&bar%5Bblah%5D=123&bar%5Bquux%5D%5B0%5D=1&bar%5Bquux%5D%5B1%5D=2&bar%5Bquux%5D%5B2%5D=3
...
Time complexity of Sieve of Eratosthenes algorithm
...eUploader: {
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Insert multiple rows WITHOUT repeating the “INSERT INTO …” part of the statement?
...
INSERT INTO dbo.MyTable (ID, Name)
SELECT 123, 'Timmy'
UNION ALL
SELECT 124, 'Jonny'
UNION ALL
SELECT 125, 'Sally'
For SQL Server 2008, can do it in one VALUES clause exactly as per the statement in your question (you just need to add a comma to separate each value...
How to get the nth occurrence in a string?
...
const string = "XYZ 123 ABC 456 ABC 789 ABC";
function getPosition(string, subString, index) {
return string.split(subString, index).join(subString).length;
}
console.log(
getPosition(string, 'ABC', 2) // --> 16
)
...
Check if application is installed - Android
...pp")
and the call the following method to check if the app is installed
fun isInstalled(intent:Intent) :Boolean{
val list = context.packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY)
return list.isNotEmpty()
}
...
Check if a string contains a string in C++
...
123
You can try using the find function:
string str ("There are two needles in this haystack.");
...
How to convert String to Long in Kotlin?
...dix] is not a valid radix for string to number conversion.
public inline fun String.toLong(radix: Int): Long = java.lang.Long.parseLong(this, checkRadix(radix))
4. string.toLongOrNull(10)
Parses the string as a [Long] number and returns the result or null
if the string is not a valid repre...
How to modify a pull request on GitHub to change target branch to merge into?
...submitting) either directly from the drop-down menu or under "# branches" (https://github.com/account/project/branches).
Click "New pull request". This lets you choose a new base (target) branch.
Here is a screenshot of Github's new interface:
I can submit a PR of branch UX against any fork/bran...
printf() formatting for hex
...eUploader: {
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