大约有 42,000 项符合查询结果（耗时：0.0499秒） [XML]
Search text in fields in every table of a MySQL database
...u can peek into the information_schema schema. It has a list of all tables and all fields that are in a table. You can then run queries using the information that you have gotten from this table.
The tables involved are SCHEMATA, TABLES and COLUMNS. There are foreign keys such that you can build u...
Design patterns to avoid [closed]
...people seem to agree, that the Singleton pattern has a number of drawbacks and some even suggest avoiding the pattern entirely. There's an excellent discussion here . Please direct any comments about the Singleton pattern to that question.
...
JavaScript: Check if mouse button down?
...what button is pressed, be prepared to make mouseDown an array of counters and count them separately for separate buttons:
// let's pretend that a mouse doesn't have more than 9 buttons
var mouseDown = [0, 0, 0, 0, 0, 0, 0, 0, 0],
mouseDownCount = 0;
document.body.onmousedown = function(evt) { ...
Lambda expression vs method reference [closed]
...lar in spirit to "when should I use a named class vs an anonymous class"? And the answer is the same: when you find it more readable. There are certainly cases that are definitely one or definitely the other but there's a host of grey in the middle, and judgment must be used.
The theory behind ...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
This is my first iOS app submission and I don't want my app rejected.
7 Answers
7
...
Local Storage vs Cookies
...
Cookies and local storage serve different purposes. Cookies are primarily for reading server-side, local storage can only be read by the client-side. So the question is, in your app, who needs this data — the client or the server?
...
WAMP/XAMPP is responding very slow over localhost
...know what the problem is. WAMP was very slow, so I reformatted my computer and installed WAMP. Still, accessing localhost is very, very slow, and sometimes it doesn't even load at all. I even removed it and replaced it with XAMPP, but I still got the same result. What might possibly be the problem? ...
Deciding between HttpClient and WebClient
...
I live in both the F# and Web API worlds.
There's a lot of good stuff happening with Web API, especially in the form of message handlers for security, etc.
I know mine is only one opinion, but I would only recommend use of HttpClient for any f...
400 BAD request HTTP error code meaning?
...ules.
In the case of a REST API with a JSON payload, 400's are typically, and correctly I would say, used to indicate that the JSON is invalid in some way according to the API specification for the service.
By that logic, both the scenarios you provided should be 400's.
Imagine instead this were ...
Beginner's guide to ElasticSearch [closed]
There hasn't been any books about ElasticSearch (that I know of), and http://www.elasticsearch.org/guide/ seems to contain only references.
...