大约有 2,340 项符合查询结果（耗时：0.0111秒） [XML]
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
...y number of values from our database. The logical way to go about this in SQL would be to build an "IN" clause. JPQL allows for IN, but it seems to require me to specify every single parameter to IN directly (as in, "in (:in1, :in2, :in3)").
...
Hidden features of Perl?
...l -lwe '*4 = sub { print "yes" }; 4->()'
yes
There's also the "bool" quasi operator, that return 1 for true expressions and the empty string for false:
$ perl -wle 'print !!4'
1
$ perl -wle 'print !!"0 but true"'
1
$ perl -wle 'print !!0'
(empty line)
Other interesting stuff: with use overl...
Convert String to Uri
... to its standards. For example, try to parse: http://www.google.com/search?q=cat|dog. An exception will be thrown for the vertical bar.
urllib makes it easy to convert a string to a java.net.URI. It will pre-process and escape the URL.
assertEquals("http://www.google.com/search?q=cat%7Cdog",
...
What does cmd /C mean? [closed]
... you should be interested in is the /? part, which should solve most other questions you have with the tool.
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\>cmd /?
Starts a new instance of the Windows XP command interpreter
CMD [/A | /U] [/Q] [/D] [/E:ON | ...
Display text on MouseOver for image in html
...
You can use CSS hover
Link to jsfiddle here: http://jsfiddle.net/ANKwQ/5/
HTML:
<a><img src='https://encrypted-tbn2.google.com/images?q=tbn:ANd9GcQB3a3aouZcIPEF0di4r9uK4c0r9FlFnCasg_P8ISk8tZytippZRQ'></a>
<div>text</div>
CSS:
div {
display: none;
...
Linux/Windows批量删除.svn文件夹(svn delete) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...svn" @echo "%%a\.svn"
@for /r . %%a in (.) do @if exist "%%a\.svn" rd /s /q "%%a\.svn"
@echo completed
@pause
方法二：右键菜单“Delete SVN Folders”删除指定目录下的.svn文件夹，需要写注册表
建立一个文本文件，取名为 svn_del.reg（扩展名由txt改为re...
window+nginx+php-cgi的php-cgi线程/子进程问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...indows, therefore php-cgi does not spawn children, and when PHP_FCGI_MAX_REQUESTS is reached the process terminates.
Check on PHP's source, file cgi_main.c, around line 1982:
#ifndef PHP_WIN32
/* Pre-fork, if required */
if (getenv("PHP_FCGI_CHILDREN")) {
char * children_str = g...
App Inventor 2 连接调试器的几种方式的比较 - App Inventor 2 中文网 - 清...
...扰、或商业模拟器安装不了，推荐使用AI2Starter模拟器。
Q：商业模拟器如何使用？
https://bbs.tsingfun.com/thread-1741-1-1.html
Q：模拟器有什么不足吗？A：使用模拟器无法完成与真实手机相同的所有操作，例如，无法摇动它、无法拨...
App Inventor 2 要在界面上做一个电量图标，有什么好的思路吗？ - App应用...
...量状态，自己作图，区间多弄一些就可以了。
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Q：但是像我们手机上的电量应该不是分N张图片吧？
A：你要更细致，做100张图，每一格电量对应一张状态图片，不过跟做10张图、每张代表10格电量，体验上几乎没有差别...
AppInventor2 知识产权保护相关问题分享 - App Inventor 2 中文网 - 清泛IT...
Q：AppInventor2开发的APP可以去工信部备案吗？软件可以申请软件著作权吗？
上架小米、华为、v、o的应用商店大致的流程是什么样的
软件开发平台是否是开源的，做出的软件想要盈利是否会有影响？
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