大约有 16,000 项符合查询结果（耗时：0.0298秒） [XML]
When should I use the HashSet type?
... contradicts what you say about order not being a property of a set - or points out to a misunderstanding from the development team.
– Veverke
Aug 3 '16 at 16:07
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Java: using switch statement with enum under subclass
... the case statement so it can only be one enum.
– sprinter
Dec 23 '15 at 1:49
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How to get the current directory in a C program?
...ing at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me.
6 Answers
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How do you avoid over-populating the PATH Environment Variable in Windows?
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This will parse your %PATH% environment variable and convert each directory to its shortname equivalent and then piece it all back together:
@echo off
SET MyPath=%PATH%
echo %MyPath%
echo --
setlocal EnableDelayedExpansion
SET TempPath="%MyPath:;=";"%"
SET var=
FOR %%a IN (...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...itudes go from -90 to 90 degrees...so only need 2 places left of decimal point...
– dotjoe
Apr 10 '15 at 19:21
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How can I catch a ctrl-c event?
....h>
#include <stdio.h>
#include <unistd.h>
void my_handler(int s){
printf("Caught signal %d\n",s);
exit(1);
}
int main(int argc,char** argv)
{
struct sigaction sigIntHandler;
sigIntHandler.sa_handler = my_handler;
sigemptyset(&sigIntHandler.sa_...
How to perform Callbacks in Objective-C
.... Here's an example of a custom delegate implementation;
Header File:
@interface MyClass : NSObject {
id delegate;
}
- (void)setDelegate:(id)delegate;
- (void)doSomething;
@end
@interface NSObject(MyDelegateMethods)
- (void)myClassWillDoSomething:(MyClass *)myClass;
- (void)myClassDidDoSome...
Difference between parameter and argument [duplicate]
... of a formal parameter, if you will.
That being said, they are often used interchangeably, their exact use depending on different programming languages and their communities. For example, I have also heard actual parameter etc.
So here, x and y would be formal parameters:
int foo(int x, int y) {
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Get boolean from database using Android and SQLite
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It is:
boolean value = cursor.getInt(boolean_column_index) > 0;
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How can I increase the cursor speed in terminal? [closed]
...the cursor speed in terminal?
I have Mac OS X by the way.
It would also be interesting to know it for Linux.
2 Answers
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