大约有 23,000 项符合查询结果（耗时：0.0384秒） [XML]
Serializing object that contains cyclic object value
...
Use the second parameter of stringify, the replacer function, to exclude already serialized objects:
var seen = [];
JSON.stringify(obj, function(key, val) {
if (val != null && typeof val == "object") {
if (seen.indexOf(val) >= 0)...
Python non-greedy regexes
... is matched against '<H1>title</H1>', it will match the entire string, and not just '<H1>'. Adding '?' after the qualifier makes it perform the match in non-greedy or minimal fashion; as few characters as possible will be matched. Using .*? in the previous expression will match onl...
How do I copy an entire directory of files into an existing directory using Python?
...vantage. distutils.errors.DistutilsInternalError: mkpath: 'name' must be a string, i.e. it does not accept PosixPath. Need to str(PosixPath). Wish list for improvement. Other than this matter, I prefer this answer.
– Sun Bear
Aug 27 '19 at 11:59
...
Activity restart on rotation Android
... android:configChanges="orientation|keyboardHidden"
android:label="@string/app_name">
or for Android 3.2 (API level 13) and newer:
<activity android:name=".MyActivity"
android:configChanges="keyboardHidden|orientation|screenSize"
android:label="@string/app_name">
The...
Load “Vanilla” Javascript Libraries into Node.js
...opied to './libs/apprise.js'. Then where it starts with
function apprise(string, args, callback){
I assigned the function to module.exports = thus:
module.exports = function(string, args, callback){
Thus I'm able to import the library into my code like this:
window.apprise = require('./libs/...
Remove Fragment Page from ViewPager in Android
...temId = getItemId(position);
// Do we already have this fragment?
String name = makeFragmentName(container.getId(), itemId);
Fragment fragment = mFragmentManager.findFragmentByTag(name);
if (fragment != null) {
if (DEBUG) Log.v(TAG, "Attaching item #" + itemId + ": f=" + fra...
MySQL Query - Records between Today and Last 30 Days
...
DATE_FORMAT returns a string, so you're using two strings in your BETWEEN clause, which isn't going to work as you expect.
Instead, convert the date to your format in the SELECT and do the BETWEEN for the actual dates. For example,
SELECT DATE_F...
Calculate total seconds in PHP DateInterval
...otalFullSeconds(
new IntervalFromRange(
new DateTimeFromISO8601String('2017-07-03T14:27:39+00:00'),
new DateTimeFromISO8601String('2017-07-05T14:27:39+00:00')
)
))
->value()
Besides being intuitive, you can also benefit from autocompletion facility of your IDE.
For ...
What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
... push, the client's forced to grab a new version, just because of the querystring. Look at this page (at the time of this answer) for example:
<link ... href="http://sstatic.net/stackoverflow/all.css?v=c298c7f8233d">
I think instead of a revision number the SO team went with a file hash, w...
Find row where values for column is maximal in a pandas DataFrame
...ns.
idxmax() returns indices labels, not integers.
Example': if you have string values as your index labels, like rows 'a' through 'e', you might want to know that the max occurs in row 4 (not row 'd').
if you want the integer position of that label within the Index you have to get it manually (wh...