大约有 40,000 项符合查询结果（耗时：0.0554秒） [XML]
JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
...ause of inaccuracy. I had a long value of 10000000233174211 being returned by queryForLong(String), but instead it was returning 10000000233174212. i.e. +1. I looked in the code and it converts a Double to a Long, so perhaps there is some issue with the conversion.
– mrswadge
...
Eclipse copy/paste entire line keyboard shortcut
...ing Intel HD Graphics, it's quite possible that these shortcuts are binded by Intel graphics util. You can disable hotkeys from notification area util -> Graphic Options -> Hot Keys -> Disable. After that I could use those useful shortcuts.
– Taavi Ilves
...
How to skip over an element in .map()?
...te a new array of the same length as an old array, only with values formed by a transformation of the old values.
share
|
improve this answer
|
follow
|
...
How does the “final” keyword in Java work? (I can still modify an object.)
...nced object.
Java has no concept of object immutability; this is achieved by carefully designing the object, and is a far-from-trivial endeavor.
share
|
improve this answer
|
...
Internet Explorer 8 Developer Tools not displaying
...oved far, far away?
From the article:
Switch to the application, say by clicking on its taskbar button or by
Alt+Tab'ing to it. Then type Alt+Space to call up the System menu: You
should get a window floating at the edge of the screen. Type M to
select Move, then press an arrow key to en...
How to change the session timeout in PHP?
...ents are not malicious, you can set an upper bound on the session duration by tweaking certain parameters. If you are using PHP's default session handling with cookies, setting session.gc_maxlifetime along with session_set_cookie_params should work for you like this:
// server should keep session da...
Does setting Java objects to null do anything anymore?
I was browsing some old books and found a copy of "Practical Java" by Peter Hagger. In the performance section, there is a recommendation to set object references to null when no longer needed.
...
C# catch a stack overflow exception
...ethod that throws a stack overflow exception. The first call is surrounded by a try catch block but the exception is not caught.
...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
...ly closes the TCP/IP connection in the pool of connections that is managed by ServicePointManager. This means that each request with a new HttpClient requires re-establishing a new TCP/IP connection.
From my tests, using plain HTTP on a LAN, the performance hit is fairly negligible. I suspect thi...
What is the “FS”/“GS” register intended for?
...
There is what they were intended for, and what they are used for by Windows and Linux.
The original intention behind the segment registers was to allow a program to access many different (large) segments of memory that were intended to be independent and part of a persistent virtual store....