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What is in your Mathematica tool bag? [closed]
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I've mentioned this before, but the tool I find most useful is an application of Reap and Sow which mimics/extends the behavior of GatherBy:
SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:=
Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]];
This allows me to group lists by a...
Must Dependency Injection come at the expense of Encapsulation?
...uch easier to pull together (and validate) the pieces needed for a running application.
By applying similar techniques in our OO programs via IoC, we aim to make programs easier to configure and maintain. Publishing dependencies (as constructor parameters or whatever) is a key part of this. Encapsu...
“From View Controller” disappears using UIViewControllerContextTransitioning
...subview of the key window's:
transitionContext.completeTransition(true)
UIApplication.sharedApplication().keyWindow!.addSubview(toViewController.view)
I've checked and the key window's rootViewController is still correctly set, so that's fine. I'm not sure what would happen if you presented your ...
Reading/writing an INI file
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Maybe a more traditional default would be per-application (not per-assembly) .ini files like Path.GetFullPath(IniPath ?? Path.ChangeExtension(Application.ExecutablePath, ".ini")).
– Eugene Ryabtsev
Apr 21 '16 at 10:44
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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...out to learn as much as possible about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the question:
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
... schemas need special construction to make maximum use of the cache. Often application-level caching ends up being necessary anyway in the long run.
Native prepares doesn't make any difference for security. The pseudo-prepared statements will still escape query parameter values, it will just be done...
Best Practices: working with long, multiline strings in PHP?
...ng...where do you store your templates in the directory structure of a web application?
– Andrew
Dec 4 '09 at 19:26
My...
In WPF, what are the differences between the x:Name and Name attributes?
...tyAttribute on the class that designates one of the classes properties as mapping to the x:Name attribute of XAML.
The reason this was done was to allow for frameworks that already have a concept of "Name" at runtime, such as WPF. In WPF, for example, FrameworkElement introduces a Name property.
I...
How does OAuth 2 protect against things like replay attacks using the Security Token?
...f course I'd never do that -- that donut was disgusting.
I wonder if this approach has broader applications. He mentioned this was his second approach, I could call it Olaf 2.0. Anyway I better get home, I gotta start looking for a new job. But not before I get one of those strawberry shakes from t...
Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
...iewDidLoad method. The solution for me was to move this call to the viewDidAppear: method.
My presumption is that the view controller's view is not in the window's view hierarchy at the point that it has been loaded (when the viewDidLoad message is sent), but it is in the window hierarchy after it ...