大约有 40,000 项符合查询结果(耗时:0.0445秒) [XML]
Converting DateTime format using razor
...playFormat] attribute is only used in EditorFor/DisplayFor, and not by the raw HTML APIs like TextBoxFor. I got it working by doing the following,
Model:
[Display(Name = "When was that document issued ?")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:d}")]
public DateTime? L...
“#include” a text file in a C program as a char[]
... done with only little changes to the included text file thanks to the new raw string literals:
In C++ do this:
const char *s =
#include "test.txt"
;
In the text file do this:
R"(Line 1
Line 2
Line 3
Line 4
Line 5
Line 6)"
So there must only be a prefix at the top of the file and a suffix at ...
How to pull a random record using Django's ORM?
...ust one query (assuming Postgres):
random_instance_or_none = Model.objects.raw('''
select * from {0} limit 1
offset floor(random() * (select count(*) from {0}))
'''.format(Model._meta.db_table)).first()
Be aware that this will raise an index error if the table is empty. Write yourself a mod...
ASP.NET MVC Performance
...Forms application, and B) how you implement the MVC application. In their "raw" forms, MVC is likely faster than WebForms, but years and years of tools and experience have produced a number of techniques for building fast WebForms applications. I'd be willing to bet that a senior ASP.NET developer c...
How to dynamically compose an OR query filter in Django?
...
How can you compose raw queries with Django if you want to add optional conditions like above?
– user
Jul 13 '14 at 18:34
...
What is the most effective way for float and double comparison?
...a.org/wiki/IEEE_floating-point_standard.
//
// Template parameter:
//
// RawType: the raw floating-point type (either float or double)
template <typename RawType>
class FloatingPoint {
public:
// Defines the unsigned integer type that has the same size as the
// floating point number.
...
How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
...
The ng-attr-id method is to ensure that the raw ng expression is never rendered in a valid HTML attribute (e.g. id, label, etc). This is to stop any downstream usage reading ng 'junk' (e.g. before render is complete, or after a js crash)
– Overfle...
How do I view the SQL generated by the Entity Framework?
...r example:
- Queries, including normal LINQ queries, eSQL queries, and raw queries from methods such as SqlQuery.
- Inserts, updates, and deletes generated as part of SaveChanges
- Relationship loading queries such as those generated by lazy loading
- Parameters
- Whether or not the co...
How to color System.out.println output? [duplicate]
...RROR MESSAGE IN RED'
ie, press CTRL+V and then CTRL+[ in order to get a "raw" ESC character when escape interpretation is not available
If done correctly, you should see a ^[. Although it looks like two characters, it is really just one, the ESC character.
You can also press CTRL+V,CTRL+[ in vim i...
Checking if form has been submitted - PHP
...ou can use hash) Ex:
$token = hash (string $algo , string $data [, bool $raw_output = FALSE ] );
Assign this token to a session variable. Ex:
$_SESSION['form_token'] = $token;
Add a hidden input to submit the token. Ex:
input type="hidden" name="token" value="{$token}"
then as part of your ...
