大约有 6,000 项符合查询结果（耗时：0.0255秒） [XML]
What is the syntax for an inner join in LINQ to SQL?
... value of the enum. If I'm right, (ContactStatus)c.StatusID is really just casting an integer to an enum.
– Joel Mueller
Jul 14 '10 at 22:13
add a comment
|...
Use git “log” command in another folder
I have some php files in a Folder A (which is a git project). In these php file I want to execute "git log" but for the folder B. Folder B is another git project (so log is different between A and B).
...
Make column not nullable in a Laravel migration
...e doctrine/dbal
Then create a migration that will alter the table like so:
php artisan make:migration fix_whatever_table_name_here
public function up()
{
Schema::table('table_name', function (Blueprint $table) {
$table->type('column')->nullable(false)->change();
});
}
# pub...
How can I distinguish whether Switch,Checkbox Value is changed by user or programmatically (includin
... // you might keep a reference to the CheckBox to avoid this class cast
boolean checked = ((CheckBox)v).isChecked();
setSomeBoolean(checked);
}
});
Now you only pick up click events and don't have to worry about programmatic changes.
Answer 1:
I hav...
Split a String into an array in Swift?
...now auto-completes Foundation methods on Swift String objects without type casting to an NSString, which is not the case in Xcode 6.4 with Swift 1.2.
– Andrew
Jul 21 '15 at 22:31
...
CORS - How do 'preflight' an httprequest?
...ll be current to many of us. Here is how I dealt with it in a jQuery 1.12 /PHP 5.6 context:
jQuery sent its XHR request using only limited headers; only 'Origin' was sent.
No preflight request was needed.
The server only had to detect such a request, and add the "Access-Control-Allow-Origin: " . ...
How to convert std::string to LPCSTR?
...
std::string myString("SomeValue");
LPSTR lpSTR = const_cast<char*>(myString.c_str());
myString is the input string and lpSTR is it's LPSTR equivalent.
share
|
improve th...
How to decide font color in white or black depending on background color?
... Worked like a charm for me. Thank you very much! Did it in php though simply converting the syntax and functions.
– CezarBastos
Mar 23 '18 at 17:24
...
Convert float to double without losing precision
I have a primitive float and I need as a primitive double. Simply casting the float to double gives me weird extra precision. For example:
...
How do I use a Boolean in Python?
...ntegers 0 and 1, respectively. The built-in function bool() can be used to cast any value to a Boolean, if the value can be interpreted as a truth value (see section Truth Value Testing above).
They are written as False and True, respectively.
So in java code remove braces, change true to True and ...