大约有 16,000 项符合查询结果（耗时：0.0219秒） [XML]
Call An Asynchronous Javascript Function Synchronously
...ized) as the standard for JavaScript on June 27th, 2017. Async await may already work in your browser, but if not you can still use the functionality using a javascript transpiler like babel or traceur. Chrome 55 has full support of async functions. So if you have a newer browser you may be able to ...
Single vs Double quotes (' vs ")
...this: <a onclick="alert(\"Clicked!\")">. However, this is a lot less readable.
– fabspro
Jul 16 '12 at 13:36
...
How to pattern match using regular expression in Scala?
...schaef: that case p.firstName.lastName.Map(... pattern—how on earth do I read that?
– Erik Kaplun
Feb 16 '14 at 21:37
1
...
Calculate MD5 checksum for a file
I'm using iTextSharp to read the text from a PDF file. However, there are times I cannot extract text, because the PDF file is only containing images. I download the same PDF files everyday, and I want to see if the PDF has been modified. If the text and modification date cannot be obtained, is a ...
Accessing JPEG EXIF rotation data in JavaScript on the client side
...hat extracts the orientation tag as fast as possible (It uses DataView and readAsArrayBuffer which are available in IE10+, but you can write your own data reader for older browsers):
function getOrientation(file, callback) {
var reader = new FileReader();
reader.onload = function(e) {...
When is JavaScript synchronous?
...
JavaScript is always synchronous and single-threaded. If you're executing a JavaScript block of code on a page then no other JavaScript on that page will currently be executed.
JavaScript is only asynchronous in the sense that it can make, for example, Ajax calls. The A...
Long-held, incorrect programming assumptions [closed]
...new language, computational complexity, lambda expressions, you name it).
Reading blogs, Stack Overflow and programming books always seemed to make me feel that I was behind the curve on the things that all programmers must just know intuitively.
I've realized over time that I'm effectively compa...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
... So it's needless to specify them in such case.
Also note that you should read the file contents immediately inside the abovementioned methods and not in a different bean method invoked by a later HTTP request. This is because the uploaded file contents is request scoped and thus unavailable in a l...
No ConcurrentList in .Net 4.0?
...oing to get a full implementation of IList<T> that is lockless and thread-safe. In particular, random insertions and removals are not going to work, unless you also forget about O(1) random access (i.e., unless you "cheat" and just use some sort of linked list and let the indexing suck).
What...
Calling clojure from java
...h a clear explanation of how to call Clojure from Java assuming you have already built a jar from the Clojure project and included it in the classpath?
...