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Base64 length calculation?

... I explained all this in the answer above: (i) each output char represents 6 bits of input, (ii) 4 output chars therefore represent 4 * 6 = 24 bits, (iii) 24 bits is 3 bytes, (iv) 3 bytes of input therefore result in 4 chars of output, (...
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How can I display a list view in an Android Alert Dialog?

...this items? i'm looking for hours for a popup menu solution which works on all api levels – wutzebaer Jul 22 '13 at 21:31 7 ...
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How do I automatically scroll to the bottom of a multiline text box?

...I am adding new lines of text to it. I would like the textbox to automatically scroll to the bottom-most entry (the newest one) whenever a new line is added. How do I accomplish this? ...
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How to write multiple line string using Bash with variables?

How can I write multi-lines in a file called myconfig.conf using BASH? 6 Answers 6 ...
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SQLite DateTime comparison

...e a few datetime functions. Follow the string representation formats (actually only formats 1-10) understood by those functions (storing the value as a string) and then you can use them, plus lexicographical comparison on the strings will match datetime comparison (as long as you don't try to compa...
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MySQL CONCAT returns NULL if any field contain NULL

...es: it returns the first non-NULL value parameter passed to it (or NULL if all parameters are NULL). By passing an empty string as the second parameter, you are guaranteeing it will not return NULL. – Jo. Mar 10 '17 at 17:03 ...
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Collection was modified; enumeration operation may not execute

... Is that a complete example? I have a class (_dictionary obj below) that contains a generic Dictionary<string,int> named MarkerFrequencies, but doing this didn't instantly solve the crash: lock (_dictionary.MarkerFrequencies) { foreach (KeyValuePair<string, int...
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Is it acceptable and safe to run pip install under sudo?

...ns together will get me back on track :) – markwalker_ Feb 22 '13 at 16:40 1 also, for installing...
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Clear form field after select for jQuery UI Autocomplete

...it works around line 109 here. The code in there checks for false specifically: if ( false !== self._trigger( "select", event, { item: item } ) ) { self.element.val( item.value ); } share | imp...
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Drawable image on a canvas

...setBounds(left, top, right, bottom); d.draw(canvas); This will work with all kinds of drawables, not only bitmaps. And it also means that you can re-use that same drawable again if only the size changes. share | ...