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How does Facebook disable the browser's integrated Developer Tools?
...ted for no good reason.
Chrome wraps all console code in
with ((console && console._commandLineAPI) || {}) {
<code goes here>
}
... so the site redefines console._commandLineAPI to throw:
Object.defineProperty(console, '_commandLineAPI',
{ get : function() { throw 'Nooo!' } }...
Django rest framework, use different serializers in the same ModelViewSet
... like to provide two different serializers and yet be able to benefit from all the facilities of ModelViewSet :
6 Answers
...
What is the pythonic way to avoid default parameters that are empty lists?
...he preferred way in this example is to say: if working_list is None . The caller might have used an empty list-like object with a custom append.
– tzot
Dec 14 '08 at 12:45
5
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What does the `forall` keyword in Haskell/GHC do?
I'm beginning to understand how the forall keyword is used in so-called "existential types" like this:
8 Answers
...
How to get my IP address programmatically on iOS/macOS?
...- returns 0 on success
struct ifaddrs *interfaces;
if(!getifaddrs(&interfaces)) {
// Loop through linked list of interfaces
struct ifaddrs *interface;
for(interface=interfaces; interface; interface=interface->ifa_next) {
if(!(interface->ifa_flags...
Get path of executable
...
@curiousguy: You'd want to do it if, for example, your program might get installed in a directory of the user's choosing. You need to be able to find your executable and its support files somehow.
– greyfade
Jun 25 '12 at 3:11
...
Does Java 8 provide a good way to repeat a value or function?
...
@jwenting It really depends - typically with GUI stuff (Swing or JavaFX), that removes a lot of boiler plate due to anonymous classes.
– assylias
Aug 30 '13 at 12:12
...
Weird Integer boxing in Java
...lly on
small devices. Less memory-limited
implementations might, for example,
cache all characters and shorts, as
well as integers and longs in the
range of -32K - +32K.
share
|
improve t...
Undefined method 'task' using Rake 0.9.0
...kip the first step, but then you have to run rake using bundle exec, for example:
bundle exec rake db:migrate
Otherwise you get the following error.
rake aborted!
You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7. Consider using bundle exec.
Update
As Alex Chaffee no...
Test if lists share any items in python
... convert both to sets and check their intersection, as such:
bool(set(a) & set(b))
Because sets are stored using a hash table in Python, searching them is O(1) (see here for more information about complexity of operators in Python). Theoretically, this is O(n+m) on average for n and m objects...