大约有 2,400 项符合查询结果（耗时：0.0136秒） [XML]
Getting a list of files in a directory with a glob
...t all of the files in /bin.
You are responsible for cleaning up the memory allocated by glob by calling globfree when you're done with the structure.
In my example I use the default options and no error callback. The man page covers all of the options in case there's something in there you want t...
Changing every value in a hash in Ruby
...}%" }
Less code and clear intent. Also faster because no new objects are allocated beyond the values that must be changed.
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Learning to write a compiler [closed]
...t isn't very useful for writing an interpreter.
– a_m0d
Sep 16 '10 at 6:58
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Long press gesture on UICollectionViewCell
...ILongPressGestureRecognizer *lpgr
= [[UILongPressGestureRecognizer alloc]
initWithTarget:self action:@selector(handleLongPress:)];
lpgr.delegate = self;
lpgr.delaysTouchesBegan = YES;
[self.collectionView addGestureRecognizer:lpgr];
}
-(void)handleLongPress:...
best way to add license section to iOS settings bundle
...sary newlines from the license text. Check it out: gist.github.com/Zyphrax/0d015c618d46093b4f815e62a6a33969
– Zyphrax
May 29 '17 at 23:22
1
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Parse large JSON file in Nodejs
...ine.length-1] == '\r') line=line.substr(0,line.length-1); // discard CR (0x0D)
if (line.length > 0) { // ignore empty lines
var obj = JSON.parse(line); // parse the JSON
console.log(obj); // do something with the data here!
}
}
Each time the file stream receives data fr...
How to name factory like methods?
...t word I can think of off the top of my head is 'Construct'. In the past, 'Alloc' (allocate) might have been used in similar situations, reflecting the greater emphasis on blocks of data than objects in languages like C.
'Create' is a short, simple word that has a clear intuitive meaning. In most ca...
Storing custom objects in an NSMutableArray in NSUserDefaults
...ray];
if (oldSavedArray != nil)
objectArray = [[NSMutableArray alloc] initWithArray:oldSavedArray];
else
objectArray = [[NSMutableArray alloc] init];
}
You should check that the data returned from the user defaults is not nil, because I believe unarchiving from nil causes a...
Memcached vs. Redis? [closed]
...ith tons of features and caching is only one option it can be used for, it allocates memory as it needs it — the more objects you put in it, the more memory it uses. The maxmemory option does not strictly enforces upper memory limit usage. As you work with cache, keys are evicted and expired; cha...
Why is the shovel operator (
...
This answer is based on a false premise: both allocating and freeing short-lived objects is essentially free in any halfway decent modern GC. It is at least as fast as stack allocation in C and significantly faster than malloc / free. Also, some more modern Ruby implemen...