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How to prevent browser page caching in Rails
...tion test (BURP, Detectify, etc.), you can install this Gem on Rails 4+ in order to add the following headers to all responses:
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: -1
Works like a charm and is really the right way to go for secure, HTTPS web app...
Remove leading or trailing spaces in an entire column of data
How do I remove leading or trailing spaces of all cells in an entire column?
6 Answers
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SSRS chart does not show all labels on Horizontal axis
... suggest changing the labels to have shorter values.
You can set the sort order for the Category Groups in the Category Group Properties - Sorting section - this may have been previously set; if not, I suggest using this to sort as desired.
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Why does one use dependency injection?
...about what would happen if B needed some parameters in its constructor: in order to instantiate it, A would have to know about those parameters, something that might be completely unrelated to A (it just wants to depend on B, not on what B depends on). Passing an already constructed B (or any subcla...
What is “assert” in JavaScript?
...on is false; this is part of the general concept of assertion checking. Usually assertions (as they're called) are used only in "testing" or "debug" builds and stripped out of production code.
Suppose you had a function that was supposed to always accept a string. You'd want to know if someone call...
When to add what indexes in a table in Rails
...B and simply A, so you can design your indexes to be more versatile if you order them correctly. The phone book is indexed on Last Name, First Name, so you can look up people easily by their last name, or a combination of last name and first name. You cannot, however, look them up directly by their ...
Limitations of SQL Server Express
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Sending files using POST with HttpURLConnection
...class AsyncUploadBitmaps extends AsyncTask<Bitmap, Void, String>, in order to make the Android platform happy, because it doesn't like to have network requests on the main thread.
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Android - Pulling SQlite database android device
... pro tip: this backup stuff won't work if the app's manifest shows android:allowBackup="false"
– Someone Somewhere
May 27 '14 at 1:23
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Java Set retain order?
Does a Java Set retain order? A method is returning a Set to me and supposedly the data is ordered but iterating over the Set, the data is unordered. Is there a better way to manage this? Does the method need to be changed to return something other than a Set?
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