大约有 48,000 项符合查询结果(耗时:0.0545秒) [XML]
Entity Framework 4 Single() vs First() vs FirstOrDefault()
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        answered Aug 14 '10 at 22:28
    
    
        
    
    
        Steve WillcockSteve Willcock
        
            22.8k44 gold badges4040 silver badges3838 bronze badges
        
    
            
        
    
    
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							AngularJS check if form is valid in controller
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Try this
in view:
<form name="formName" ng-submit="submitForm(formName)">
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							How to reliably open a file in the same directory as a Python script
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        answered Oct 30 '10 at 19:13
    
    
        
    
    
        André CaronAndré Caron
        
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							How to check if a value exists in a dictionary (python)
					...ve timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754, 0.29107213020324707, 0.27941107749938965]
>>> T(lambda : 'one' in d.values()).repeat()
[0.38303399085998535, 0.37257885932922363, 0.37096405029296875]
>>> T(lambda : 'one' in d.viewvalues())...				
				
				
							MySql Table Insert if not exist otherwise update
					...SERT INTO AggregatedData (datenum,Timestamp)
VALUES ("734152.979166667","2010-01-14 23:30:00.000")
ON DUPLICATE KEY UPDATE 
  Timestamp=VALUES(Timestamp)
    
    
        
            
            
                
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							Swift Beta performance: sorting arrays
					...rts the absolute times to seconds:
static const uint64_t NANOS_PER_USEC = 1000ULL;
static const uint64_t NANOS_PER_MSEC = 1000ULL * NANOS_PER_USEC;
static const uint64_t NANOS_PER_SEC = 1000ULL * NANOS_PER_MSEC;
mach_timebase_info_data_t timebase_info;
uint64_t abs_to_nanos(uint64_t abs) {
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							How to overcome TypeError: unhashable type: 'list'
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                @user1871081 Ah, are you using Python 3.x? I'll post an update that should work with that.
                
– RocketDonkey
                Dec 3 '12 at 0:49
                        
                            
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							Storing integer values as constants in Enum manner in java [duplicate]
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        expert
        
            25.7k2323 gold badges101101 silver badges191191 bronze badges
        
    
            
            
                
    
        answered Oct 21 '10 at 17:54
    
    
        
    
    
        BlairHippoBlairHippo
        
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							How can one use multi threading in PHP applications
					...ction run() {
        if ($this->arg) {
            $sleep = mt_rand(1, 10);
            printf('%s: %s  -start -sleeps %d' . "\n", date("g:i:sa"), $this->arg, $sleep);
            sleep($sleep);
            printf('%s: %s  -finish' . "\n", date("g:i:sa"), $this->arg);
        }
    }
}
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							DROP IF EXISTS VS DROP?
					...all'Mike Sherrill 'Cat Recall'
        
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