大约有 40,000 项符合查询结果（耗时：0.0320秒） [XML]
Returning http status code from Web Api controller
...ssage request, int userId, DateTime lastModifiedAtClient)
{
var user = new DataEntities().Users.First(p => p.Id == userId);
if (user.LastModified <= lastModifiedAtClient)
{
return new HttpResponseMessage(HttpStatusCode.NotModified);
}
return request.CreateResponse(...
submit a form in a new tab
...s, after I'll avoid this behaviour) to load the page called by submit on a new tab : is it possible?
8 Answers
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Using regular expression in css?
I have an html page with divs that have id (s) of the form s1 , s2 and so on.
8 Answers
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SQL WHERE ID IN (id1, id2, …, idn)
I need to write a query to retrieve a big list of ids.
9 Answers
9
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MongoDB SELECT COUNT GROUP BY
...er way to do it using aggregate:
db.contest.aggregate([
{"$group" : {_id:"$province", count:{$sum:1}}}
])
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jQuery .val change doesn't change input value
...
Use attr instead.
$('#link').attr('value', 'new value');
demo
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How to manually set an authenticated user in Spring Security / SpringMVC
After a new user submits a 'New account' form, I want to manually log that user in so they don't have to login on the subsequent page.
...
How to set the thumbnail image on HTML5 video?
..., w, h);
var data = canvas.toDataURL("image/jpg");
var xmlhttp = new XMLHttpRequest;
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
}
}
xmlhttp.open("POST", location.href, true);
xmlhttp.setRe...
How to resolve the C:\fakepath?
...
Example:
var input = document.getElementById("inputFile");
var fReader = new FileReader();
fReader.readAsDataURL(input.files[0]);
fReader.onloadend = function(event){
var img = document.getElementById("yourImgTag");
img.src = event.target.result;
}
...
Warn user before leaving web page with unsaved changes
...ontenteditable elements:
"use strict";
(() => {
const modified_inputs = new Set;
const defaultValue = "defaultValue";
// store default values
addEventListener("beforeinput", (evt) => {
const target = evt.target;
if (!(defaultValue in target || defaultValue in target.dataset)) {
...