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Removing Java 8 JDK from Mac
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You saved me from a huge headache..god bless you
– user578386
Jul 4 '17 at 7:05
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connecting to MySQL from the command line
How can you connect to MySQL from the command line in a Mac? (i.e. show me the code)
6 Answers
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CSS3 Transparency + Gradient
...le */
background-image: -webkit-gradient(
linear, left top, left bottom, from(rgba(50,50,50,0.8)),
to(rgba(80,80,80,0.2)), color-stop(.5,#333333)
);
(src)
/* mozilla example - FF3.6+ */
background-image: -moz-linear-gradient(
rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 95%
);
(src...
Find lines from a file which are not present in another file [duplicate]
...le1) <(sort -u file2)
Solution 2: (the first "working" answer I found) from unix.stackexchange:
fgrep -v -f file1 file2
Note that if file2 contains duplicate lines that don't exist at all in file1, fgrep will output each of the duplicate lines. Also note that my totally non-scientific tests on...
How should I unit test threaded code?
...I'm working on a project that is inherently multithreaded. Events come in from the operating system and I have to process them concurrently.
The simplest way to deal with testing complex, multithreaded application code is this: If its too complex to test, you're doing it wrong. If you have a s...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...is extremely useful in the MVC paradigm and/or when you want to hide JSP's from direct access. You can put JSP's in the /WEB-INF folder and use a Servlet which controls, preprocesses and postprocesses the requests. The JSPs in the /WEB-INF folder are not directly accessible by URL, but the Servlet c...
Ajax, back button and DOM updates
... are lost and user is presented with version that was originally retrieved from the server.
7 Answers
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How to return a result (startActivityForResult) from a TabHost Activity?
...ion e) {
// Empty
}
} else {
mParent.finishFromChild(this);
}
}
So my solution is to set result to the parent activity if present, like that:
Intent data = new Intent();
[...]
if (getParent() == null) {
setResult(Activity.RESULT_OK, data);
} else {
get...
Loop through all nested dictionary values?
...(thus no longer a tree). For instance, here key2.2 holds to the dictionary from key1, key2.3 points to the entire dictionary(back edge/cycle). When there is a back edge(cycle), the stack/recursion will run infinitely.
root<-------back edge
/ ...
Difference between @import and link in CSS
...rs (Netscape 4, etc.), so the @import hack can be used to hide CSS 2 rules from these old browsers.
Again, unless you're supporting really old browsers, there isn't a difference.
If I were you, however, I'd use the <link> variant on your HTML pages, because it allows you to specify things li...