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Visual Studio popup: “the operation could not be completed”
...tion_FileName.suo" file?"
Also computer crashing like e.g. power outage etc...
Applies to Update 2 and Update 3 as well as fresh base without any updates...
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MySQL - why not index every field?
...he line, that depends on how the data is being acessed (sorting filtering, etc.).
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What is the runtime performance cost of a Docker container?
... the kernel's support for different process namespaces, device namespaces, etc.; one namespace isn't inherently more expensive or inefficient than another, so what actually makes Docker have a performance impact is a matter of what's actually in those namespaces.
Docker's choices in terms of how ...
Any way to make a WPF textblock selectable?
... (blinking caret in TextBox, no keyboard support in manual implementations etc.)
After hours of digging around and reading the WPF source code, I instead discovered a way of enabling the native WPF text selection for TextBlock controls (or really any other controls). Most of the functionality aroun...
Explanation of JSONB introduced by PostgreSQL
...f JSON manipulation inside PostgreSQL, such as sorting, slicing, splicing, etc., you should use JSONB for speed reasons.
If you need indexed lookups for arbitrary key searches on JSON, then you should use JSONB.
If you are doing neither of the above, you should probably use JSON.
If you need to pres...
Android - Writing a custom (compound) component
...t). Also it contains a lot of logic (click listeners, logic to fill lists, etc).
2 Answers
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How to pass variable from jade template file to a script file?
...so, the other answers seemed to work fine with primitives, but when arrays etc. were passed along with the object they were parsed as string values.
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How to Deal with Temporary NSManagedObject instances?
...riginalContext persistentStore]];
Then you add new objects, mutate them, etc.
When it comes time to save, you need to call [tempContext save:...] on the tempContext, and handle the save notification to merge that into your original context. To discard the objects, just release this temporary cont...
How to change package name of an Android Application
...orts for you. You can even have it fix it for you in comments and strings, etc.
Lastly, change the package name accordingly in your AndroidManifest.xml towards the top. Otherwise you will get errors everywhere complaining about R.whatever.
Another very useful solution
First create a new package w...
Named routes _path vs _url
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As the other answers explain, you should use _url in email links, etc.
But I would like to add that you should also use _url in redirects, as explained here:
https://www.ruby-forum.com/topic/101346#221052
and, here:
http://viget.com/extend/rails-named-routes-path-vs-url
You can also t...