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Get the current first responder without using a private API
...that my app cannot be accepted because I'm using a non-public API; specifically, it says,
28 Answers
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Reverse / invert a dictionary mapping
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982
For Python 2.7.x
inv_map = {v: k for k, v in my_map.iteritems()}
For Python 3+:
inv_map = ...
Handle Guzzle exception and get HTTP body
...ropriate exception type (ClientErrorResponseException for 4xx errors) and call its getResponse() method to get the response object, then call getBody() on that:
use Guzzle\Http\Exception\ClientErrorResponseException;
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try {
$response = $request->send();
} catch (ClientErrorResponseExcep...
What's the difference between process.cwd() vs __dirname?
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Does this mean that process.cwd() is synonym to . for all cases except for require()?
– Alexander Gonchiy
Aug 29 '15 at 9:44
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Flags to enable thorough and verbose g++ warnings
.... I then removed from that list the set of warnings that I feel do not actually indicate something bad is happening, or else have too many false positives to be used in a real build. I commented as to why each of the ones I excluded were excluded. This is my final set of suggested warnings:
-pedant...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
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NOTE: All algorithms below are in C, but should be portable to your language of choice (just don't look at me when they're not as fast :)
Options
Low Memory (32-bit int, 32-bit machine)(from here):
unsigned int
reverse(register ...
What is the use of having destructor as private?
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dirkgentlydirkgently
98.7k1616 gold badges119119 silver badges180180 bronze badges
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Accessing Object Memory Address
When you call the object.__repr__() method in Python you get something like this back:
9 Answers
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Hide the cursor of an UITextField
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98
You can just clear the textfield's tintColor
self.textField.tintColor = [UIColor clearColor];
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What is “thread local storage” in Python, and why do I need it?
In Python specifically, how do variables get shared between threads?
5 Answers
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