大约有 31,100 项符合查询结果（耗时：0.0506秒） [XML]
How to set a default entity property value with Hibernate
...want a real database default value, use columnDefinition:
@Column(name = "myColumn", nullable = false, columnDefinition = "int default 100")
Notice that the string in columnDefinition is database dependent. Also if you choose this option, you have to use dynamic-insert, so Hibernate doesn't incl...
Is it possible to decompile a compiled .pyc file into a .py file?
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Thanks a lot. I had accidentally deleted my .py file instead of .pyc. This saved me from having to rewrite it from scratch.
– avmohan
Jan 9 '14 at 9:39
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Git commit in terminal opens VIM, but can't get back to terminal
... exit by pressing Esc and then :x
To set another editor run export EDITOR=myFavoriteEdioron your terminal, where myFavoriteEdior can be vi, gedit, subl(for sublime) etc.
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When do I use fabs and when is it sufficient to use std::abs?
...point inputs.
I just spent 10 minutes debugging this very problem, due to my own mistake of using abs instead of std::abs. I assumed that the using namespace std;would infer std::abs but it did not, and instead was using the C version.
Anyway, I believe it's good to use fabs instead of abs for flo...
how to get android screen size programmatically, once and for all?
How can I find out my screen size programmatically,
in the units used by touch events
and View measurement/layout?
In other words, I want the coordinates
of the bottom-right corner of the screen,
in the coordinate system used by touch events'
getRawX()/getRawY() and View.getLocationOnScreen() .
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Why does 2 mod 4 = 2?
I'm embarrassed to ask such a simple question. My term does not start for two more weeks so I can't ask a professor, and the suspense would kill me.
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How to flip windows in vim? [duplicate]
...nd one or more of these sequences to make it faster to type. I put this in my .vimrc so that ,l moves the cursor to the next buffer in the current tab:
let mapleader = ","
nmap <Leader>l <C-w>w
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Cannot use object of type stdClass as array?
...ecode the json into an associative array instead of stdObject instances:
$my_array = json_decode($my_json, true);
See the documentation for more details.
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bash: Bad Substitution
... needed details, and we must join the dots... anyway feel free to downvote my answer.
– Vanni Totaro
Dec 1 '15 at 11:10
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Use C++ with Cocoa Instead of Objective-C?
...ersely, you can call C++ functions from within ObjC code like:
@interface MyClass {
MyCPPClass *cppInstance;
}
@end
@implementation MyClass
- (id)init {
if(self = [super init]) {
cppInstance = new MyCPPClass();
}
return self;
}
- (void) dealloc {
if(cppInstance != NULL)...