大约有 47,000 项符合查询结果（耗时：0.0416秒） [XML]
Modifying location.hash without page scrolling
...d node was last seen so you need to help them a little. You need to add an extra div to the top of the viewport, set its ID to the hash, and then roll everything back:
hash = hash.replace( /^#/, '' );
var fx, node = $( '#' + hash );
if ( node.length ) {
node.attr( 'id', '' );
fx = $( '<div&g...
How to find unused images in an Xcode project?
...ed with @2x they will list as unused. You can get rid of that by adding an extra if-statement: if [[ "$name" != @2x ]]; then
– Sten
Jul 3 '13 at 9:49
3
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How do I clone a Django model instance object and save it to the database?
...harm. I thought about the model_to_dict solution below, but it requires an extra step and it would have the same issue with the through relations, which I have to deal manually anyway so it has no major impact for me.
– Anderson Santos
Aug 18 '16 at 14:18
...
Split array into chunks
...
The array.slice method can extract a slice from the beginning, middle, or end of an array for whatever purposes you require, without changing the original array.
var i,j,temparray,chunk = 10;
for (i=0,j=array.length; i<j; i+=chunk) {
temparray ...
RandomForestClassifier vs ExtraTreesClassifier in scikit learn
Can anyone explain the difference between the RandomForestClassifier and ExtraTreesClassifier in scikit learn. I've spent a good bit of time reading the paper:
...
How to check the version before installing a package using apt-get?
...ing dependency tree
Reading state information... Done
The following extra packages will be installed:
libjemalloc1 redis-tools
The following NEW packages will be installed:
libjemalloc1 redis-server redis-tools
0 upgraded, 3 newly installed, 0 to remove and 3 not upgraded.
Inst libjemallo...
What's the yield keyword in JavaScript?
...n
You have this end }) which you need to keep track of everywhere
All this extra function (err, result) jargon
Not exactly clear that you're doing this to assign a value to result
On the other hand, with yield, all of this can be done in one line with the help of the nice co-routine framework.
fu...
Get all directories within directory nodejs
....10.0+
We can use the new withFileTypes option of readdirSync to skip the extra lstatSync call:
const { readdirSync } = require('fs')
const getDirectories = source =>
readdirSync(source, { withFileTypes: true })
.filter(dirent => dirent.isDirectory())
.map(dirent => dirent.name...
How to get the first five character of a String
I have read this question to get first char of the string. Is there a way to get the first n number of characters from a string in C#?
...
WebDriver: check if an element exists? [duplicate]
...t browser instance</param>
/// <param name="by">The search string for finding element</param>
/// <returns>Returns element or null if not found</returns>
public static IWebElement FindElementSafe(this IWebDriver driver, By by)
{
try
{
...