大约有 6,000 项符合查询结果（耗时：0.0144秒） [XML]
Generate MD5 hash string with T-SQL
...VARCHAR(32),
HASHBYTES(
'MD5',
CAST(prescrip.IsExpressExamRX AS VARCHAR(250))
+ CAST(prescrip.[Description] AS VARCHAR(250))
),
2
) MD5_Value;
works for me.
SQL query to get all values a enum can have
...ove query will be myenum. Depending on what you are doing, you may need to cast to text. e.g.
SELECT unnest(enum_range(NULL::myenum))::text
If you want to specify the column name, you can append AS my_col_name.
Credit to Justin Ohms for pointing out some additional tips, which I incorporated...
Difference between and
... get submitted.
Sample HTML form (index.html):
<form action="checkout.php" method="POST">
<!-- this won't get submitted despite being named -->
<input type="button" name="button1" value="a button">
<!-- this one does; so the input's TYPE is important! -->
<inpu...
How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
...
PHP regular expressions: No ending delimiter '^' found in
...
PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the rege...
How do you specify that a class property is an integer?
...r markers
foo.someId = 2;
foo.someInt = 1;
// when assigning, you have to cast to the specific type
// NOTE: This is not completely type safe as you can trick the compiler
// with something like foo.someId = 1.45 as ID and it won't complain.
foo.someId = 2 as ID;
foo.someInt = 1 as Int;
// you ca...
PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
...
How do I create a comma-separated list from an array in PHP?
...ut it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
12 Answers
...
What is an idiomatic way of representing enums in Go?
... literal value 42, which the function would accept as base since it can be casted to an int. To prevent this, make base a struct: type base struct{value:int}. Problem: you cannot declare bases as constants anymore, only module variables. But 42 will never be cast to a base of that type.
...
How to convert an image to base64 encoding?
...ts("/path/to/image.jpg");
// alternatively specify an URL, if PHP settings allow
$base64 = base64_encode($imagedata);
bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit.
...