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Is it bad to have my virtualenv directory inside my git repository?
...version too old), forcing an upgrade while the site was down. so... I will now never rely on pip freeze again to do this. the issue is that during your forced upgrade redeploy, no one pays for it, and for intermediate upgrades ("best practice" maintenance) no one does either.
–...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
...tocol extensions take care of most of the boilerplate for these, which are now imported as a struct that conforms to OptionSetType. (RawOptionSetType has disappeared as of Swift 2 beta 2.) The declaration is far simpler:
struct MyOptions : OptionSetType {
let rawValue: Int
static let None ...
Is there a way to run Python on Android?
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And now there is iOS support too!
– rubik
Jun 30 '12 at 7:00
17
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How to run Selenium WebDriver test cases in Chrome?
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Now that's a cumbersome solution. I'd advise you to change this if it's what you use nowadays.
– aimbire
Mar 21 '13 at 17:19
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How can one use multi threading in PHP applications
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That's nice, I have not touched PHP for years and now it's got multithreading capabilities!
– cruizer
Mar 27 '14 at 8:33
1
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What is object slicing?
...nk casting back (since not a pointer arithmetic) will work , A a = b; a is now object of type A which has copy of B::foo. It will be mistake to cast it back now i think.
– user72424
Aug 12 '11 at 12:27
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When should one use RxJava Observable and when simple Callback on Android?
...});
The RxJava variant is not much better than the Callback variant. For now, let's ignore the error handling.
Let's take a list of photos:
RxJava:
api.getUserPhotos(userId)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.flatMap(new Func1<List<Photo>, Observab...
Can I get Memcached running on a Windows (x64) 64bit environment?
Does anyone know IF , WHEN or HOW I can get Memcached running on a Windows 64bit environment?
13 Answers
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Surrogate vs. natural/business keys [closed]
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Now, after reading a lot about surrogate keys and natural keys, I think using surrogate keys is better. But, on my database, natural keys (a NVARCHAR(20)) must be unique. I don't understand how I can get more speed if I need ...
Aren't Python strings immutable? Then why does a + “ ” + b work?
...able, a, which points to the string, is mutable.
Consider:
a = "Foo"
# a now points to "Foo"
b = a
# b points to the same "Foo" that a points to
a = a + a
# a points to the new string "FooFoo", but b still points to the old "Foo"
print a
print b
# Outputs:
# FooFoo
# Foo
# Observe that b hasn't...