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Proper usage of Optional.ifPresent()

...r> user = ... user.ifPresent(this::doSomethingWithUser); This is basically the same thing as Optional<User> user = ... user.ifPresent(new Consumer<User>() { @Override public void accept(User theUser) { doSomethingWithUser(theUser); } }); The idea is that the d...
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together

...ke this: Core Data on its own, is completely local and does not automatically work with any of Apple's cloud services. Core Data with iCloud enabled turns on syncing via iCloud. Any changes you save in Core Data are propagated to the cloud, and any changes made in the cloud are automatically downl...
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Custom li list-style with font-awesome icon

...introduces the ::marker pseudo-element. From what I've understood it would allow such a thing. Unfortunately, no browser seems to support it. What you can do is add some padding to the parent ul and pull the icon into that padding: ul { list-style: none; padding: 0; } li { padding-l...
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Show pop-ups the most elegant way

...lar-ui.github.com/bootstrap/) has an excellent $modal service (used to be called $dialog prior to version 0.6.0) that is an implementation of a service to display partial's content as a modal popup. share | ...
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how to convert a string to date in mysql?

...ourdatefield, '%m/%d/%Y') > CURDATE() - INTERVAL 7 DAY You can handle all kinds of date/time layouts this way. Please refer to the format specifiers for the DATE_FORMAT() function to see what you can put into the second parameter of STR_TO_DATE(). ...
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Reading Excel files from C#

...ameHere"); DataTable data = ds.Tables["anyNameHere"]; This is what I usually use. It is a little different because I usually stick a AsEnumerable() at the edit of the tables: var data = ds.Tables["anyNameHere"].AsEnumerable(); as this lets me use LINQ to search and build structs from the fie...
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f

... I've made sure all the class are already set, but the NSUnknownKeyException still comes out :( – Zennichimaro Apr 3 '13 at 3:40 ...
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HTTP 401 - what's an appropriate WWW-Authenticate header value?

...ing some form of Forms based authentication. From recollection, Windows Challenge Response uses a different scheme and different arguments. The trick is that it's up to the browser to determine what schemes it supports and how it responds to them. My gut feel if you are using forms based authenti...
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Difference between MVC 5 Project and Web Api Project

... Basically, a Web API controller is an MVC controller, which uses HttpMessageResponse as the base type of its response, instead of ActionResponse. They are the same in most other respects. The main difference between the project ty...
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RESTful Login Failure: Return 401 or Custom Response

...happened. 401 Unauthorized Similar to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet been provided. The response must include a WWW-Authenticate header field containing a challenge applicable to the requested resource. Your confusion...