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android TextView: setting the background color dynamically doesn't work
...nkey's answer given this is the more popular answer, you MUST set the high order bits to non zero for the transparency. I get caught all the time by specifying the RGB without the A. To set the background to pure blue, use 0xff0000ff, not 0x0000ff or it won't work.
– JohnnyLamb...
MySQL load NULL values from CSV data
...ummarize the answer and previous comment. Following worked for me, in the order: sed -i 's/,,/,\N/g' $file, sed -i 's/,,/,/g' $file, sed -i 's/\N,$/\N/g' $file,
– Omar Khazamov
Dec 3 '16 at 23:43
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String difference in Bash
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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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PHP global in functions
....) The problem with globals is not that they are globals, you need them in order to have a meaningful application. The problem is the complexity of the overall application which can make it a nightmare to handle.
Sessions are globals, $_POST is a global, DRUPAL_ROOT is a global, the includes/install...
ab load testing
...if the response times (means, min and max response times, failed requests, etc) are numbers your site can accept (different sites might desire different speeds). You can run the tool with different -c values until you hit the spot where you say "If I increase it, it starts to get failed requests and...
Advanced JavaScript: Why is this function wrapped in parentheses? [duplicate]
.../ Some code
}();
Because you have to wrap the function in parentheses in order to make it parse as an expression. More information is here: http://benalman.com/news/2010/11/immediately-invoked-function-expression/
So to recap quickly on the IIFE pattern:
(function() {
// Some code
})();
Allo...
When exactly is it leak safe to use (anonymous) inner classes?
... not, the Activity has an implicit reference to the View it contains.
In order for a View to be created, it must know where to create it and whether it has any children so that it can display. This means that every View has an reference to the Activity (via getContext()). Moreover, every View keep...
What is referential transparency?
... as its internal structure, the number
and nature of its components, the order in which they are evaluated or the colour of the ink
in which they are written, are irrelevant to the value of the main expression.
The use of "in essence" suggests that Strachey is paraphrasing it in order to expla...
Why do I need 'b' to encode a string with Base64?
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Short Answer
You need to push a bytes-like object (bytes, bytearray, etc) to the base64.b64encode() method. Here are two ways:
>>> data = base64.b64encode(b'data to be encoded')
>>> print(data)
b'ZGF0YSB0byBiZSBlbmNvZGVk'
Or with a variable:
>>> string = 'data to...
Java 256-bit AES Password-Based Encryption
... /* Derive the key, given password and salt.
*
* in order to do 256 bit crypto, you have to muck with the files for Java's "unlimted security"
* The end user must also install them (not compiled in) so beware.
* see here: http://www.javamex.com/tutorials/cr...