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New features in java 7
...tiple exception catching
this:
} catch (FirstException ex) {
logger.error(ex);
throw ex;
} catch (SecondException ex) {
logger.error(ex);
throw ex;
}
becomes:
} catch (FirstException | SecondException ex) {
logger.error(ex);
throw ex;
}
SafeVarargs
this:
@Suppre...
Eclipse hangs on loading workbench
...resources org.eclipse.core.resources.bak
Start eclipse. (It should show an error message or an empty workspace because no project is found.)
Close all open editors tabs.
Exit eclipse.
rm -rf org.eclipse.core.resources (Delete the newly created directory.)
mv org.eclipse.core.resources.bak/ org.eclip...
Generate random numbers with a given (numerical) distribution
...
@stackoverflowuser2010: It shouldn't matter (modulo errors in floating point)
– sdcvvc
Jun 7 '13 at 12:52
...
App Inventor 2 连接调试器的几种方式的比较 - App Inventor 2 中文网 - 清...
...是每种类型下面仍有一些不同的选择，下面开始介绍各种连接方式的特点：综上所述：1、小朋友编程的话，有条件建议直接使用安卓手机扫二维码测试；否则使用最新版的AIStarter模拟器也可以。2、对于没有安卓手机的或需要一...
C++ 通过主机名/域名获取IP - C/C++ - 清泛网 - 专注C/C++及内核技术
...件定义了Socket编程的功能 #pragma comment(lib,"ws2_32.lib") 连接ws2_32.lib库...代码如下：
#include <winsock2.h> //该头文件定义了Socket编程的功能
#pragma comment(lib,"ws2_32.lib") //连接ws2_32.lib库.只要程序中用到Winsock API 函数，都要用到 Ws2...
PHP code to convert a MySQL query to CSV [closed]
...ELECT * FROM table_name";
$export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) );
$fields = mysql_num_fields ( $export );
for ( $i = 0; $i < $fields; $i++ )
{
$header .= mysql_field_name( $export , $i ) . "\t";
}
while( $row = mysql_fetch_row( $export ) )
{
$line...
Encoding URL query parameters in Java
... URL or by Mr. Sindi in this thread.
URIUtil of Apache httpclient is really useful, although there are some alternatives
URIUtil.encodeQuery(url);
For example, it encodes space as "+" instead of "%20"
Both are perfectly valid in the right context. Although if you really preferred you cou...
Concatenating two lists - difference between '+=' and extend()
...F instruction, but for += it will use LOAD_FAST - and you get *UnboundLocalError: local variable 'l' referenced before assignment*
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What do *args and **kwargs mean? [duplicate]
... @PaulD.Waite: No problem. I wonder how many rookies found this error by trying to use your code, but were telling themselves "I must be doing something wrong here, this answer has so many votes" ;) Another upvote from me, because it is very clear and very good.
– Ta...
-didSelectRowAtIndexPath: not being called
...AtIndexPath: , but when I select a row at runtime, the method isn't being called. The table view is being populated though, so I know that other tableView methods in my controller are being called.
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