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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...
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...
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....
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.
...
'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...
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.
...
using awk with column value conditions
...
If you're looking for a particular string, put quotes around it:
awk '$1 == "findtext" {print $3}'
Otherwise, awk will assume it's a variable name.
share
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...
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...
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...