大约有 40,000 项符合查询结果（耗时：0.0599秒） [XML]
No Exception while type casting with a null in java
...hecks whether the object is null or not. If null then it simply prints the string "null". Otherwise it will call the toString method of that object.
Adding more details: Internally print methods call String.valueOf(object) method on the input object. And in valueOf method, this check helps to avoid...
get name of a variable or parameter [duplicate]
...rovided member:
public static class MemberInfoGetting
{
public static string GetMemberName<T>(Expression<Func<T>> memberExpression)
{
MemberExpression expressionBody = (MemberExpression)memberExpression.Body;
return expressionBody.Member.Name;
}
}
To ...
Is It Possible to Sandbox JavaScript Running In the Browser?
... input : "bar",
callback: function(str) {
console.log("string: ", str); // string: foobar
}
}).eval({
code : "({q:1, w:2})",
callback: function(obj) {
console.log("object: ", obj); // object: object q=1 w=2
}
}).eval({
code : "[1,...
Best cross-browser method to capture CTRL+S with JQuery?
...unction(event) {
if (event.ctrlKey || event.metaKey) {
switch (String.fromCharCode(event.which).toLowerCase()) {
case 's':
event.preventDefault();
alert('ctrl-s');
break;
case 'f':
event.preventDefault();
alert('...
Remove DEFINER clause from MySQL Dumps
...editor and replace all occurrences of DEFINER=root@localhost with an empty string ""
Edit the dump (or pipe the output) using perl:
perl -p -i.bak -e "s/DEFINER=\`\w.*\`@\`\d[0-3].*[0-3]\`//g" mydatabase.sql
Pipe the output through sed:
mysqldump ... | sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' > ...
How to remove leading and trailing zeros in a string? Python
I have several alphanumeric strings like these
6 Answers
6
...
Jackson JSON custom serialization for certain fields
...plement a custom serializer as follows:
public class Person {
public String name;
public int age;
@JsonSerialize(using = IntToStringSerializer.class, as=String.class)
public int favoriteNumber:
}
public class IntToStringSerializer extends JsonSerializer<Integer> {
@Ove...
Print JSON parsed object?
...entioning that in chrome (and perhaps other browsers) when combined with a string like this: console.log("object: " + obj) it does not display the object, but instead will output "object: [Object obj]".
– Shahar
Jan 22 '15 at 2:13
...
Scala downwards or decreasing for loop?
... answered May 13 '14 at 21:54
LP_LP_
92477 silver badges1919 bronze badges
...
DataContractSerializer doesn't call my constructor?
...sible : when deserializing an object, the DataContractSerializer doesn't call the constructor !
4 Answers
...