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@Basic(optional = false) vs @Column(nullable = false) in JPA
... treats both options the same way in any case, so you may as well use only one of the annotations for this purpose.
– rapt
Oct 26 '11 at 0:56
2
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ERROR: permission denied for sequence cities_id_seq using Postgres
...sert data into a table but NOT want to allow them to use the the fact that one of the columns is auto-incrementing?
– Brett Widmeier
Dec 7 '16 at 14:27
5
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Using numpad in Vi (Vim) via PuTTY
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Does anyone know why this feature/bug is there? Is there a link to some historical reference about this? Thanks :)
– Atcold
Dec 30 '14 at 18:22
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内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
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void f2(int datum)
{
int *p2;
/* Uh-oh! No one has initialized p2. */
*p2 = datum;
...
}
关于此类错误的好消息是，它们一般具有显著结果。在 AIX® 下，对未初始化指针的分配通常会立即导致 segme...
ModelState.AddModelError - How can I add an error that isn't for a property?
... was looking for - to assign an error to the Model in general, rather than one of it's properties, as usual you call:
ModelState.AddModelError(string key, string errorMessage);
but use an empty string for the key:
ModelState.AddModelError(string.Empty, "There is something wrong with Foo.");
T...
Visual Studio Disabling Missing XML Comment Warning
...nt snippets everywhere, but I'd prefer a generic solution where I can make one change that disables all warnings of this type.
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Get the current file name in gulp.src()
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I'm not sure how you want to use the file names, but one of these should help:
If you just want to see the names, you can use something like gulp-debug, which lists the details of the vinyl file. Insert this anywhere you want a list, like so:
var gulp = require('gulp'),
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How can I get browser to prompt to save password?
...on due to submitting the form but we can make the redirection after we've done the ajax login. (If you want the ajax login not to reload the page or not to redirect to a page, unfortunately, my solution doesn't work.) Then, we can use
<form id='loginForm' action='signedIn.xxx' method='post'>
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How to exclude file only from root folder in Git
... have several config.php files in source tree and I need to exclude only one, located in the root while other keep under revision control.
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How to return raw string with ApiController?
I have an ApiController that serves XML/JSON, but I would like one of my actions to return pure HTML. I tried the below but it still return XML/JSON.
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