大约有 30,000 项符合查询结果（耗时：0.0567秒） [XML]
How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?
...
You want a parameter source:
Set<Integer> ids = ...;
MapSqlParameterSource parameters = new MapSqlParameterSource();
parameters.addValue("ids", ids);
List<Foo> foo = getJdbcTemplate().query("SELECT * FROM foo WHERE a IN (:ids)",
parameters, getRowMapper(...
Objective-C: Extract filename from path string
...lastPathComponent] stringByDeletingPathExtension];
The lastPathComponent call will return thefile.ext, and the stringByDeletingPathExtension will remove the extension suffix from the end.
share
|
...
Java NIO FileChannel versus FileOutputstream performance / usefulness
...otential areas for investigating:
The buffer size. The algorithm you basically have is
copy from disk to buffer
copy from buffer to disk
My own experience has been that this buffer size is ripe for tuning. I've settled on 4KB for one part of my application, 256KB for another. I suspect your ...
URLWithString: returns nil
...
The URLWithString: call will return a nil if the string passed to it is malformed.
Since NSURL returns nil for malformed urls, NSLog your string and set breakpoints to see exactly what is being passed to your NSURL creation method. If your URL...
How to permanently remove few commits from remote branch
... @MoshFeu True: git gc is not always run often enough on the remote side. For instance on GitHub: twitter.com/githubhelp/status/387926738161774592?lang=es
– VonC
Jan 13 at 13:58
...
MySQL - length() vs char_length()
.... This encoding (or more accurately UTF-16LE) is what Windows misleadingly calls “Unicode”. MySQL doesn't support UTF-16; instead the usual approach for putting Unicode strings in it is to use UTF-8.
– bobince
Nov 14 '09 at 14:20
...
List of Timezone ID's for use with FindTimeZoneById() in C#?
... please point me to a complete list of all the timezones referenced by the id expected in TimeZoneInfo.FindTimeZoneById() ? I can't find a list anywhere and I've looked through the .NET documentation.
...
Flask vs webapp2 for Google App Engine
...ed Dispatching as standard for all RequestHandlers (as flask documentation calls it and implements it since V0.7 in MethodViews). While in flask MethodViews are an add-on it is a core design principle for webapp2. So your software design will look different using both frameworks. Both frameworks use...
Reading output of a command into an array in Bash
...houldn't anyway), but just bear that in mind. It's cleaner and more semantically correct. Note that this is different from printf '', which doesn't output anything. printf '\0' prints a null byte, needed by read to happily stop reading there (remember the -d '' option?).
If you can, i.e., if yo...
What's the 'Ruby way' to iterate over two arrays at once
...se an expression like that, it's always best to use parentheses for method calls, just in case. @budget.zip(@actual).each
– AboutRuby
Aug 26 '10 at 22:48
1
...