大约有 23,000 项符合查询结果（耗时：0.0480秒） [XML]
getting date format m-d-Y H:i:s.u from milliseconds
...e a high-precision numeric date/time, I convert the microsecond value to a string, remove the 0, and add it to the end of the date/time string. I can easily trim the number of decimals by adjusting the string length parameter; here I use 4 to get milliseconds, but you could use 7 to get microsecond...
What's the difference between session.Merge and session.SaveOrUpdate?
...ame="emp_id")
private int id;
@Column(name="emp_name")
private String name;
@Column(name="salary")
private int Salary;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getSalary() {
...
Getting all types that implement an interface
...ibility" not whether interface is implemented are not. For example List<string> doesn't implement IEnumerable<object> but this method will return true in .Net 4.0 due to covariance which is wrong indeed. Correct answer is here
– Sriram Sakthivel
Apr...
How do I remove blank elements from an array?
...ico blank? is only available through ActiveSupport. Standard Ruby does use String#empty?: ruby-doc.org/core-1.9.3/String.html#method-i-empty-3F
– Michael Kohl
Sep 10 '12 at 15:00
2...
'any' vs 'Object'
...rror: c neither has doSomething nor inherits it from Object
and why
a.toString(); // Ok: whatever, dude, have it your way
b.toString(); // Ok: toString is defined in Object
c.toString(); // Ok: c inherits toString from Object
So Object and {} are equivalents in TypeScript.
If you declare funct...
Removing items from a list [duplicate]
...
for (Iterator<String> iter = list.listIterator(); iter.hasNext(); ) {
String a = iter.next();
if (...) {
iter.remove();
}
}
Making an additional assumption that the list is of strings.
As already answered, an list....
How to print the current Stack Trace in .NET without any exception?
...nostics.StackTrace is to use System.Environment.StackTrace which returns a string-representation of the stacktrace.
Another useful option is to use the $CALLER and $CALLSTACK debugging variables in Visual Studio since this can be enabled run-time without rebuilding the application.
...
When is the init() function run?
...
}
return true
}
router.go:
func init() {
var (
rwd string
tmp string
ok bool
)
if metapath, ok := Config["fs"]["metapath"].(string); ok {
var err error
Conn, err = services.NewConnection(metapath + "/metadata.db")
if err != nil...
Regular Expressions- Match Anything
...ers that are either whitespace or non-whitespace" - effectively "match any string".
Another option that only works for JavaScript (and is not recognized by any other regex flavor) is [^]* which also matches any string. But [\s\S]* seems to be more widely used, perhaps because it's more portable.
...
Why doesn't ruby support method overloading?
...
Arguments with different data types, eg: method(int a, int b) vs method(String a, String b)
Variable number of arguments, eg: method(a) vs method(a, b)
We cannot achieve method overloading using the first way because there is no data type declaration in ruby(dynamic typed language). So the only...