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How to perform Callbacks in Objective-C
...tring *))callback {
// Return a message to the callback
callback(@"Hello to you too!");
}
@end
[Robot sayHi:^(NSString *reply){
NSLog(@"%@", reply);
}];
There's always F****ng Block Syntax if you ever forget Objective-C's Block syntax.
...
Apache and Node.js on the Same Server
...q, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello Apache!\n');
}).listen(8000, '127.0.0.1');
Then you can access all Node.JS logic using the /node/ path on your url, the rest of the website can be left to Apache to host your existing PHP pages:
Now the only thing ...
Compiling dynamic HTML strings from database
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Hello, If I use element.html it return me TypeError: Cannot call method 'insertBefore' of null. So after some googling about that I find that I must use element.append But If I use that directive on multiple places - it gener...
What does passport.session() middleware do?
...
Hello @JaredHanson Could you take a look at this. I couldn't find the answer anywhere?
– Saras Arya
Dec 10 '15 at 19:56
...
Relatively position an element without it taking up space in document flow
...gt;
<div class="col-md-12">
<h3> hello </h3>
</div>
<div class="col-md-12">
<span> whats up? </span>
</div>
<div style="height:0" class="col-md-12">...
What is Type-safe?
...
The compiler will then stop me from doing this:
// call foo
foo("hello world")
In other languages, the compiler would not stop me (or there is no compiler...), so the string would be passed to the logic and then probably something bad will happen.
Type safe languages try to catch more a...
Detect application heap size in Android
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@Carl Hello Carl, Thank you for your great post. And I tested option, android:largeHeap="true" on Galaxy S3 with JellyBean. Here is the result. [maxMemory:256.0MB , memoryClass:64MB] (maxMemory was 64MB without the largeheap option...
Pointers in Python?
...t" objects).
Here is an example of pointer assignation
dict1 = {'first':'hello', 'second':'world'}
dict2 = dict1 # pointer assignation mechanism
dict2['first'] = 'bye'
dict1
>>> {'first':'bye', 'second':'world'}
Here is an example of copy assignation
a = 1
b = a # copy of memory mechan...
What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
...HEAD, master) Derp some more
> 6e6ce69 (origin/master, origin/HEAD) Add hello.txt
In the above output, you'll see the commits that belong to master are prefixed with <, while commits that belong to origin/master are prefixed with >.
Using Commit Ranges with Git Diff
Someday I might add ...
Simple argparse example wanted: 1 argument, 3 results
...
args will be a dictionary containing the arguments:
if args['foo'] == 'Hello':
# code here
if args['bar'] == 'World':
# code here
In your case simply add only one argument.
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