大约有 47,000 项符合查询结果（耗时：0.0857秒） [XML]
How to compare dates in datetime fields in Postgresql?
...er the first form because you want to avoid date manipulation on the input string, correct? you don't need to be afraid:
SELECT *
FROM table
WHERE update_date >= '2013-05-03'::date
AND update_date < ('2013-05-03'::date + '1 day'::interval);
...
Using pre-compiled headers with CMake
... top of all of your .cpp files as the first include statement. MSVC does a string compare of the #include arguments, it does not check whether it points to the same file as what was given to /Yu. Ergo, #include <bar.h> will not work and emit error C2857.
– Manuzor
...
How to replace DOM element in place using Javascript?
...nced usage
You can pass multiple values (or use spread operator ...).
Any string value will be added as a text element.
Examples:
// Initially [child1, target, child3]
target.replaceWith(span, "foo") // [child1, span, "foo", child3]
const list = ["bar", span]
target.replaceWith(...list, "fiz...
Singleton with Arguments in Java
...re mandatory.
public enum EnumSingleton {
INSTANCE;
private String name; // Mandatory
private Double age = null; // Not Mandatory
private void build(SingletonBuilder builder) {
this.name = builder.name;
this.age = builder.age;
}
// Static getter
p...
Multiple lines of text in UILabel
...Size max = CGSizeMake(myLabel.frame.size.width, 500);
CGSize expected = [myString sizeWithFont:myLabel.font constrainedToSize:max lineBreakMode:myLabel.lineBreakMode];
currentFrame.size.height = expected.height;
myLabel.frame = currentFrame;
...
Rails 3.1 and Image Assets
... Rails 'helps you out' by putting in the url keyword as well as the string. This means that you can do things like. div.logo {background: image-url("logo.png") no-repeat center;}
– Antony Denyer
Apr 29 '16 at 17:39
...
MySQL - ORDER BY values within IN()
...'A', 'D', 'E', 'C')
The FIELD function returns the position of the first string in the remaining list of strings.
However, it is much better performance-wise to have an indexed column that represents your sort order, and then sort by this column.
...
Java Try Catch Finally blocks without Catch
...e outer block.
public class TryCatchFinally {
public static void main(String[] args) throws Exception {
try{
System.out.println('A');
try{
System.out.println('B');
throw new Exception("threw exception in B");
}
finally
{
...
MySQL date format DD/MM/YYYY select query?
...
You can use STR_TO_DATE() to convert your strings to MySQL date values and ORDER BY the result:
ORDER BY STR_TO_DATE(datestring, '%d/%m/%Y')
However, you would be wise to convert the column to the DATE data type instead of using strings.
...
Is a GUID unique 100% of the time?
...me GUID values then put two of them next to each other.
Guid.NewGuid().ToString() + Guid.NewGuid().ToString();
If you are too paranoid then put three.
share
|
improve this answer
|
...