大约有 41,000 项符合查询结果（耗时：0.0618秒） [XML]
How to display Base64 images in HTML?
...es - its a data URI for a red dot image (source: en.wikipedia.org/wiki/Data_URI_scheme). I am just pointing out that there is no apparent issue in what you are doing except perhaps actual base64 data. Use the given decoder and save decoded binary data as an jpeg file and try to open it. If it does n...
How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
...or know what type of DbParamaters to create (SqlParameter, OracleParamter, etc.).
share
|
improve this answer
|
follow
|
...
Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...color($new_size[0],$new_size[1]);
imagecolortransparent($new_im, imagecolorallocate($new_im, 0, 0, 0));
imagecopyresampled($new_im,$im,0,0,0,0,$new_size[0],$new_size[1],$size[0],$size[1]);
share
|
...
How to sum up elements of a C++ vector?
What are the good ways of finding the sum of all the elements in a std::vector ?
11 Answers
...
Why can't I access DateTime->date in PHP's DateTime class?
...ssue.
Date being available is actually a side-effect of support for var_dump() here – derick@php.net
For some reason, you're not supposed to be able to access the property but var_dump shows it anyways. If you really want to get the date in that format, use the DateTime::format() function.
...
Should I Dispose() DataSet and DataTable?
... both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods.
10 Answers
...
How to build Qt for Visual Studio 2010
... stable solution for using Qt with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide.
...
What is array to pointer decay?
.... they're objects, you can have pointers, and, in C++, references to them, etc.
– Pavel Minaev
Sep 22 '09 at 19:40
2
...
How to copy a collection from one database to another in MongoDB
...so some documents may incur type changes. mongodump/mongorestore are generally the better approach.
– Stennie
Jul 19 '12 at 6:17
...
How do I serialize a C# anonymous type to a JSON string?
..., Any POCO Type, Interfaces, Late-bound objects including anonymous types, etc.
Basic Example
var customer = new Customer { Name="Joe Bloggs", Age=31 };
var json = customer.ToJson();
var fromJson = json.FromJson<Customer>();
Note: Only use Microsofts JavaScriptSerializer if performance is...