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【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...个CArchive对象
CArchive(CFile* pFile,UINT nMode,int nBufSize=4096,void* lpBuf=NULL);
参数：pFile 指向CFile对象的指针，这个CFile对象是数据的最终源或目的；
nMode是标志，取值为CArchive::load时，从文档中加载数据（要求CFile读许可），取值为CArch...
How to track down log4net problems
..., you should have a reference to log4net in your main-module and should it call once on the start of the Programm and all is fine.
In the next version of log4net, this bug will be probably be fixed.
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How to change the Text color of Menu item in Android?
Can I change the background color of a Menu item in Android?
27 Answers
27
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Table header to stay fixed at the top when user scrolls it out of view with jQuery
...ixed position to show the header at the top of the page.
HTML:
<table id="header-fixed"></table>
CSS:
#header-fixed {
position: fixed;
top: 0px; display:none;
background-color:white;
}
JavaScript:
var tableOffset = $("#table-1").offset().top;
var $header = $("#table-1...
What is an MvcHtmlString and when should I use it?
...e that only exists in 4. The <%: syntax must duck-type - it will always call .ToHtmlString() before .ToString() regardless of interface.
– Keith
Jul 8 '10 at 7:49
2
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Rails: confused about syntax for passing locals to partials
...e, and will pass the remainder as your locals. However, in that subsequent call, it actually assigns :locals => your_locals_argument, which in this case is the entire :locals => {locals hash}, instead of just {locals hash}; i.e. you end up with :locals => {:locals => {locals hash}}, rath...
How to create a drop shadow only on one side of an element?
...udo element is required.
#box {
background-color: #3D6AA2;
width: 160px;
height: 90px;
position: absolute;
top: calc(10% - 10px);
left: calc(50% - 80px);
}
.box-shadow:after {
content:"";
position:absolute;
width:100%;
bottom:1px;
z-ind...
What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
...
I use native query with Lazy fetch in both sides of relationship but still loads hierarchy of child relations.
– Badamchi
Dec 25 '19 at 12:18
...
Rails migration: t.references with alternative name?
...n with this:
add_foreign_key :courses, :courses, column: :transferrable_as_id
add_foreign_key :courses, :courses, column: :same_as_id
Update
In Rails 5.1 and above you can add the foreign key in the migration in the create_table block like this:
create_table :courses do |t|
t.string :name
t.ref...
Using async-await on .net 4
...
Edit: we've taken this technique and turned it into a open source library called AsyncBridge:
https://nuget.org/packages/AsyncBridge
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