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How to check if a symlink exists
...ou can do all these tests and
get an exit status whose value indicates the error condition.
if [ ! \( -e "${file}" \) ]
then
echo "%ERROR: file ${file} does not exist!" >&2
exit 1
elif [ ! \( -f "${file}" \) ]
then
echo "%ERROR: ${file} is not a file!" >&2
exit 2
e...
How can I determine installed SQL Server instances and their versions?
...PRESS).... but how do i enter this in a server name? Test connection shows errors like ... a network related or instance specific error occured when trying to connect to sql server
– webzy
Feb 6 '16 at 9:29
...
项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...
...。
5.使用文本编辑器编辑Web.config文件。找到"LocalSqlServer"连接字符串设置，并修改"connectionString"属性值和你在第四步中创建的数据库一致。
<connectionstrings>
</clear>
<add name="LocalSqlServer"
connectionstring="server=MyServer;database=BugNet;uid=Bu...
Strip HTML from strings in Python
...ook at this string (source and discussion):
<img<!-- --> src=x onerror=alert(1);//><!-- -->
The first time HTMLParser sees it, it can't tell that the <img...> is a tag. It looks broken, so HTMLParser doesn't get rid of it. It only takes out the <!-- comments -->, l...
Finding last occurrence of substring in string, replacing that
...ly like this solution but having replacements=None parameter seems like an error to me because if the parameter is omitted the function will give an error (tried in Python 2.7). I would suggest either remove the default value, set it to -1 (for unlimited replacements) or better make it replacements=...
NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...操作，这显然比DOS更优雅。
5.2过程调用和跳转
提示：NASM并不存在比如TASM中那样的过程调用的说法，所有的过程调用都是一个符号标志(lable),因此，如果你想要实现一个过程调用(”procedure”)，你不能用proc和endp这样的指...
How can I get the behavior of GNU's readlink -f on a Mac?
...T=$PHYS_DIR/$TARGET_FILE
echo $RESULT
Note that this doesn't include any error handling. Of particular importance, it doesn't detect symlink cycles. A simple way to do this would be to count the number of times you go around the loop and fail if you hit an improbably large number, such as 1,000....
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...值是“src/foo src/bar”。
$(join <list1>,<list2> )
名称：连接函数——join。
功能：把<list2>中的单词对应地加到<list1>的单词后面。如果<list1>的单词个数要比<
list2>的多，那么，<list1>中的多出来的单词将保持原样。如果<list2>...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...值是“src/foo src/bar”。
$(join <list1>,<list2> )
名称：连接函数——join。
功能：把<list2>中的单词对应地加到<list1>的单词后面。如果<list1>的单词个数要比<
list2>的多，那么，<list1>中的多出来的单词将保持原样。如果<list2>...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...值是“src/foo src/bar”。
$(join <list1>,<list2> )
名称：连接函数——join。
功能：把<list2>中的单词对应地加到<list1>的单词后面。如果<list1>的单词个数要比<
list2>的多，那么，<list1>中的多出来的单词将保持原样。如果<list2>...