大约有 43,000 项符合查询结果（耗时：0.0428秒） [XML]
Creating anonymous objects in php
...
Convert array to object (but this is not recursive to sub-childs):
$obj = (object) ['myProp' => 'myVal'];
share
|
imp...
How can I initialize an ArrayList with all zeroes in Java?
...mber of elements it can hold before it needs to resize its internal array (and has nothing to do with the initial number of elements in the list).
To initialize an list with 60 zeros you do:
List<Integer> list = new ArrayList<Integer>(Collections.nCopies(60, 0));
If you want to cre...
C# Passing Function as Argument [duplicate]
...s mentioned above works but there are also delegates that do the same task and also define intent within the naming:
public delegate double MyFunction(double x);
public double Diff(double x, MyFunction f)
{
double h = 0.0000001;
return (f(x + h) - f(x)) / h;
}
public double MyFunctionMet...
Check if all values of array are equal
...set to NaN then no value can take it out. Also adding in a double negation converts the results to true and false, since NaN is falsy. Final form: !!array.reduce(function(a, b){ return (a === b) ? a : NaN; });
– Filipe Silva
Jan 19 '16 at 17:53
...
Android - how do I investigate an ANR?
...Application Not Responding). I took a look at the traces.txt file in /data and I see a trace for my application. This is what I see in the trace.
...
Why does an NSInteger variable have to be cast to long when used as a format argument?
...le on OS X (64-bit), because on that platform NSInteger is defined as long and is a 64-bit integer. The %i format, on the other hand, is for int, which is 32-bit. So the format and the actual parameter do not match in size.
Since NSInteger is 32-bit or 64-bit, depending on the platform, the compile...
Uncaught SyntaxError: Unexpected token with JSON.parse
... is an object. (creating from an object literal)
JSON.parse() is used to convert a string containing JSON notation into a Javascript object.
Your code turns the object into a string (by calling .toString()) in order to try to parse it as JSON text.
The default .toString() returns "[object Object]...
IDENTITY_INSERT is set to OFF - How to turn it ON?
...ntent]
@ContentID int,
SET IDENTITY_INSERT tbl_content ON
...insert command...
SET IDENTITY_INSERT tbl_content OFF
GO
share
|
improve this answer
|
follow
...
Spring DAO vs Spring ORM vs Spring JDBC
I was going through data access technologies supported by Spring, and I noticed that it mentions multiple options and I am not sure about the difference among them:
...
Find intersection of two nested lists?
...(set.intersection, it, set(next(it, []))). Both version doesn't require to convert all input lists to set. The latter is more memory efficient.
– jfs
Dec 5 '12 at 6:41
...