大约有 46,000 项符合查询结果（耗时：0.0642秒） [XML]
How can I avoid Java code in JSP files, using JSP 2?
...ance/composition.
Debuggability: if scriptlet throws an exception halfway, all you get is a blank page.
Testability: scriptlets are not unit-testable.
Maintainability: per saldo more time is needed to maintain mingled/cluttered/duplicated code logic.
Sun Oracle itself also recommends in the JSP co...
Finding diff between current and last version
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I don't really understand the meaning of "last version".
As the previous commit can be accessed with HEAD^, I think that you are looking for something like:
git diff HEAD^ HEAD
As of Git 1.8.5, @ is an alias for HEAD, so you can us...
How do I find duplicate values in a table in Oracle?
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if you change < to != you will get all the records that duplicate. not just the 2nd or 3rd record
– moore1emu
Jan 4 '19 at 19:51
add a ...
How to remove a column from an existing table?
...ited Apr 22 '14 at 14:25
nachtigall
2,22922 gold badges2020 silver badges2929 bronze badges
answered Apr 11 '11 at 19:21
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How do you append an int to a string in C++? [duplicate]
...it, as in
std::cout << text << i;
The C++ way of converting all kinds of objects to strings is through string streams. If you don't have one handy, just create one.
#include <sstream>
std::ostringstream oss;
oss << text << i;
std::cout << oss.str();
Alterna...
When to use std::begin and std::end instead of container specific versions [duplicate]
...s C >
auto begin( C& c ) -> decltype(c.begin());
You see that all it does is reference the begin() anyway. I suppose a decent compiler will make the difference nil, so I guess it comes down to preference. Personally, I'd use cont.begin() and cont.end() just so that I wouldn't have to ...
makefile:4: *** missing separator. Stop
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make has a very stupid relationship with tabs. All actions of every rule are identified by tabs. And, no, four spaces don't make a tab. Only a tab makes a tab.
To check, I use the command cat -e -t -v makefile_name.
It shows the presence of tabs with ^I and line endings ...
how to get the last character of a string?
... note: arrays also have a slice() method. - Their functionality is conceptually similar (partial copies) -------- (Just in case you're reading code and see .slice())
– Peter Ajtai
Oct 7 '10 at 19:08
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SVN checkout ignore folder
...Note: there was a bug in some 1.5 versions that prevented this with svn: Shallowing of working copy depths is not yet supported
– gcb
Jan 26 '12 at 22:07
add a comment
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What exactly does a jar file contain?
As an intern, I use company code in my projects and they usually send me a jar file to work with. I add it to the build path in Eclipse and usually all is fine and dandy.
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