大约有 47,000 项符合查询结果(耗时:0.0754秒) [XML]
Android AsyncTask threads limits?
...e in the phone. For all those operations (updates, retrieving data from db and etc.) I use async tasks. As up till now I didn't see why I shouldn't use them, but recently I experienced that if I do some operations some of my async tasks simply stop on pre-execute and don't jump to doInBackground. Th...
Practical uses of git reset --soft?
...
git reset is all about moving HEAD, and generally the branch ref.
Question: what about the working tree and index?
When employed with --soft, moves HEAD, most often updating the branch ref, and only the HEAD.
This differ from commit --amend as:
it doesn't cre...
contenteditable change events
...ts fired by the editable element, though you need to be aware that keydown and keypress events are fired before the content itself is changed. This won't cover every possible means of changing the content: the user can also use cut, copy and paste from the Edit or context browser menus, so you may w...
Getting the class name from a static method in Java
...thanks to @James Van Huis):
MyClass.class.getSimpleName(); // class name and no more
share
|
improve this answer
|
follow
|
...
How to upload files to server using JSP/Servlet?
...
Introduction
To browse and select a file for upload you need a HTML <input type="file"> field in the form. As stated in the HTML specification you have to use the POST method and the enctype attribute of the form has to be set to "multipart/f...
Random Gaussian Variables
Is there a class in the standard library of .NET that gives me the functionality to create random variables that follow Gaussian distribution?
...
Difference between `constexpr` and `const`
What's the difference between constexpr and const ?
9 Answers
9
...
Best practices for using Markers in SLF4J/Logback
We are using SLF4J+Logback combination at our project for a while now and are quite happy with it, but our logging strategy is fairly simple, using straightforward class based loggers and no fancy stuff like MDC or Markers.
...
Phonegap Cordova installation Windows
...ation... here's what i discovered.
Ignore the installation documentation and all the command line, node.js stuff (seriously you will waste hours on this.
Go to github and simply download the PhoneGap master .zip
In that zip are project files for window phone, etc platform... just use those templat...
must appear in the GROUP BY clause or be used in an aggregate function
...
To workaround this issue, you must calculate the aggregate in a sub-query and then join it with itself to get the additional columns you'd need to show:
SELECT m.cname, m.wmname, t.mx
FROM (
SELECT cname, MAX(avg) AS mx
FROM makerar
GROUP BY cname
) t JOIN makerar m ON m.cname = t....
