大约有 40,000 项符合查询结果(耗时:0.0484秒) [XML]
Removing duplicates in lists
...g a dictionary first, and then creating a list from it. If you don’t actually need to preserve the order, you’re often better off using a set, especially because it gives you a lot more operations to work with. Check out this question for more details and alternative ways to preserve the order w...
How to read a local text file?
...
You need to check for status 0 (as when loading files locally with XMLHttpRequest, you don't get a status returned because it's not from a Webserver)
function readTextFile(file)
{
var rawFile = new XMLHttpRequest();
rawFile.open("GET", file, false);
rawFile.onreadystat...
Eclipse JPA Project Change Event Handler (waiting)
...4-0229) yet and because I don't need JPT/DALI in my eclipse I ended up manually removing the org.eclipse.jpt features and plugins.
What I did was:
1.) exit eclipse
2.) go to my eclipse install directory
cd eclipse
and execute these steps:
*nix:
mkdir disabled
mkdir disabled/features disable...
What is the most effective way to get the index of an iterator of an std::vector?
...
I would prefer std::distance(vec.begin(), it) as it will allow me to change the container without any code changes. For example, if you decide to use std::list instead of std::vector which doesn't provide a random access iterator your code will still compile. Since std::distance pi...
How to check if a string contains text from an array of substrings in JavaScript?
...in asks about the new Array.prototype.map method in ECMAScript5. map isn't all that much help, but some is:
if (substrings.some(function(v) { return str.indexOf(v) >= 0; })) {
// There's at least one
}
Live Example:
var substrings = ["one", "two", "three"];
var str;
// Setup
console.log...
HTML Form: Select-Option vs Datalist-Option
...ested that the user select one of the options you've given, but he can actually enter anything he wants in the input.
Edit 1: So which one you use depends upon your requirements. If the user must enter one of your choices, use the select element. If the use can enter whatever, use the datalist...
Create a git patch from the uncommitted changes in the current working directory
... git format-patch also includes binary diffs and some meta info. Actually that would be the best bet for creating a patch, but afaik this does only work for checked in sources/ changes, right?
– Eric
Mar 18 '12 at 12:24
...
CSS to stop text wrapping under image
...will be able to change its width.
display: block;
Another way, which usually makes more sense, is to use a <p> element as a parent for your <span>.
<li id="CN2787">
<img class="fav_star" src="images/fav.png">
<p>
<span>Text, text and more text</spa...
How to read and write excel file
...org/apidocs/org/apache/poi/hssf/usermodel/…
– nicolallias
Dec 23 '14 at 14:18
1
In my attempts ...
Regular expressions in C: examples?
...
Regular expressions actually aren't part of ANSI C. It sounds like you might be talking about the POSIX regular expression library, which comes with most (all?) *nixes. Here's an example of using POSIX regexes in C (based on this):
#include <reg...
