大约有 3,080 项符合查询结果（耗时：0.0334秒） [XML]
How do I flag a method as deprecated in Objective-C 2.0?
...
- (void)myDeprecatedMethod __deprecated;
- (int)methodNameDeprecated:(int)param __deprecated;
Works too on classes
__deprecated
@interface MyDeprecatedClass
// ... some properties and methods ...
@end
share
...
C# Pass Lambda Expression as Method Parameter
...
Use a Func<T1, T2, TResult> delegate as the parameter type and pass it in to your Query:
public List<IJob> getJobs(Func<FullTimeJob, Student, FullTimeJob> lambda)
{
using (SqlConnection connection = new SqlConnection(getConnectionString())) {
connect...
Why can't I use switch statement on a String?
...witch statement's expression instead.
public class Main {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
String current = args[0];
Days currentDay = Days.valueOf(current.toUpperCase());
switch (currentDay) {
ca...
How to check command line parameter in “.bat” file?
...o have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will do something. I have created follo...
Android Shared preferences for creating one time activity (example) [closed]
...t SharedPreferences data
// If value for key not exist then return second param value - In this case null
boolean userFirstLogin= pref.getBoolean("key_name1", true); // getting boolean
int pageNumber=pref.getInt("key_name2", 0); // getting Integer
float amount=pref.getFloat("key_name3...
Why use a ReentrantLock if one can use synchronized(this)?
...d scheduling.
The constructor for this class accepts an optional fairness parameter. When set true, under contention, locks favor granting access to the longest-waiting thread. Otherwise this lock does not guarantee any particular access order. Programs using fair locks accessed by many threads may...
Is optimisation level -O3 dangerous in g++?
...you want to take optimization into the extreme, you can tweak in gcc via --param the costs associated with certain optimizations. Additionally note that gcc now has the ability to put attributes at functions that control optimization settings just for these functions, so when you find you have a pro...
querySelector, wildcard element match?
...ms to work.
/**
* Find all the elements with a tagName that matches.
* @param {RegExp} regEx regular expression to match against tagName
* @returns {Array} elements in the DOM that match
*/
function getAllTagMatches(regEx) {
return Array.prototype.slice.call(document.querySelectorAll('...
When should std::move be used on a function return value? [duplicate]
...t or would be
met save for the fact that the source object is a function parameter,
and the object to be copied is designated by an lvalue, overload
resolution to select the constructor for the copy is first performed as
if the object were designated by an rvalue.
return foo; is a case of...
What does Provider in JAX-RS mean?
...ementation of javax.ws.rs.core.Feature interface injected through the init param (jersey.config.server.provider.classnames) in web.xml? How is the order controlled?
– Andy Dufresne
Jul 12 '17 at 5:22
...