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How to handle button clicks using the XML onClick within Fragments
Pre-Honeycomb (Android 3), each Activity was registered to handle button clicks via the onClick tag in a Layout's XML:
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Removing item from vector, while in C++11 range 'for' loop?
...ry*, and I am looping through the list using C++11 range for, to do stuff with each one.
12 Answers
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Remove spaces from std::string in C++
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The best thing to do is to use the algorithm remove_if and isspace:
remove_if(str.begin(), str.end(), isspace);
Now the algorithm itself can't change the container(only modify the values), so it actually shuffles the values around and returns a pointer to where ...
Android and setting alpha for (image) view alpha
...ive is to use View.setAlpha(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
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Eclipse / Android : “Errors running builder 'Android Pre Compiler' on project…”
... "Files and folders", "All children". In the text entry box input ".svn" (without quotes).
Restart Eclipse.
I had the same problem with .git folder, it worked like a charm.
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SparseArray vs HashMap
I can think of several reasons why HashMap s with integer keys are much better than SparseArray s:
7 Answers
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Escaping ampersand character in SQL string
I am trying to query a certain row by name in my sql database and it has an ampersand. I tried to set an escape character and then escape the ampersand, but for some reason this isn't working and I'm uncertain as to what exactly my problem is.
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Cannot generate iOS App archive in xcode
...nnot generate the iOS App Archive. When I click on the Product -> Archive it generates a generic xcode archive. Can anyone help me. I should mention, that I have already generated an iOS App Archive of this application. It has just stopped to generate iOS Archive for some reason. Thanks a lot.
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Invalidating JSON Web Tokens
For a new node.js project I'm working on, I'm thinking about switching over from a cookie based session approach (by this, I mean, storing an id to a key-value store containing user sessions in a user's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt).
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Why should Java ThreadLocal variables be static
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Because if it were an instance level field, then it would actually be "Per Thread - Per Instance", not just a guaranteed "Per Thread." That isn't normally the semantic you're looking for.
Usually it's holding something like objects ...