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How to create NS_OPTIONS-style bitmask enumerations in Swift?
...et ThirdOption = MyOptions(rawValue: 1 << 2)
}
Now we can use set-based semantics with MyOptions:
let singleOption = MyOptions.FirstOption
let multipleOptions: MyOptions = [.FirstOption, .SecondOption]
if multipleOptions.contains(.SecondOption) {
print("multipleOptions has SecondOption...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
How do I modify the owner of all tables in a PostgreSQL database?
20 Answers
20
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Java: Multiple class declarations in one file
... @BoomerRogers: No, this is definitely not the "core basis of component based programming". If you're programming against a component, why would you care how the source code is organized? (Personally I prefer dependency injection rather than the service locator pattern, but that's a different mat...
How to make a Java class that implements one interface with two generic types?
...
Here's a possible solution based on Steve McLeod's one:
public class TwoTypesConsumer {
public void consumeTomato(Tomato t) {...}
public void consumeApple(Apple a) {...}
public Consumer<Tomato> getTomatoConsumer() {
return n...
Is asynchronous jdbc call possible?
I wonder if there is a way to make asynchronous calls to a database?
16 Answers
16
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Benefits of prototypal inheritance over classical?
...e:
Classes.
Object.
Interfaces.
Abstract Classes.
Final Classes.
Virtual Base Classes.
Constructors.
Destructors.
You get the idea. The point is that prototypal inheritance is easier to understand, easier to implement, and easier to reason about.
As Steve Yegge puts it in his classical blog pos...
Named colors in matplotlib
...ot as plt
from matplotlib import colors as mcolors
colors = dict(mcolors.BASE_COLORS, **mcolors.CSS4_COLORS)
# Sort colors by hue, saturation, value and name.
by_hsv = sorted((tuple(mcolors.rgb_to_hsv(mcolors.to_rgba(color)[:3])), name)
for name, color in colors.items())
sorted_na...
Download Github pull request as unified diff
...m/v3/media/… , the .diff URL gives a straight diff to the default branch based on git-diff git-scm.com/docs/git-diff output, and the .patch URL gives a concatenation of the individual commits in the PR (each relative to their parent commit) in a format suitable for e-mailing based on git-format-pa...
REST, HTTP DELETE and parameters
...calls. See this thread for details about cross-browser support.
Update (based on additional investigation and discussions):
The scenario where the service would require the force_delete=true flag to be present violates the uniform interface as defined in Roy Fielding's dissertation. Also, as per...
How to give ASP.NET access to a private key in a certificate in the certificate store?
...se Certificates MMC. Make sure to check "Allow private key to be exported"
Based upon which, IIS 7.5 Application Pool's identity use one of the following.
IIS 7.5 Website is running under ApplicationPoolIdentity. Open MMC => Add Certificates (Local computer) snap-in => Certificates (Local Co...