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Get keys from HashMap in Java
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This is doable, at least in theory, if you know the index:
System.out.println(team1.keySet().toArray()[0]);
keySet() returns a set, so you convert the set to an array.
The problem, of course, is that a set doesn't promise to keep your order. If you only have one...
How can my iphone app detect its own version number?
...@ (%@)",
appDisplayName, majorVersion, minorVersion];
}
Now revving a minor version manually can be a pain, and so using a source repository revision number trick is ideal. If you've not tied that in (as I hadn't), the above snippet can be useful. It also pulls out the app's displ...
Get current URL of UIWebView
...his, it worked and was accepted and 30+ people felt it worked too. This is now 5.5 years old. Good stuff, Rengers. Thanks for pointing people to Matt's answer below.
– App Dev Guy
Nov 30 '15 at 6:38
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How to search for “R” materials? [closed]
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this wouldn't work these days - S-Plus is history now and I imagine most R users have never touched it. And most current R packages were developed without reference to it.
– Peter Ellis
Apr 25 '13 at 7:45
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How to use Oracle ORDER BY and ROWNUM correctly?
...es for the downvote it was by mistake! Unfortunately I cannot take it back now.
– Athafoud
May 18 '18 at 12:45
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Best way to give a variable a default value (simulate Perl ||, ||= )
... = $bar ?: $baz;
Which assigns $bar if it's not an empty value (I don't know how this would be different in PHP from Perl), otherwise $baz, and is the same as this in Perl and older versions of PHP:
$foo = $bar ? $bar : $baz;
But PHP does not have a compound assignment operator for this (that i...
In Intellij IDEA how do I replace text with a new line?
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It's even easier now -- a visible return carriage arrow appears within the find or replace boxes -- clicking it will insert a newline.
– Louis St-Amour
Nov 15 '17 at 16:02
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'echo' without newline in a shell script
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I believe right now your output printing as below
~ echo -e "String1\nString2"
String1
String2
You can use xargs to get multiline stdout into same line.
~ echo -e "String1\nString2" | xargs
String1 String2
~
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PHP date() format when inserting into datetime in MySQL
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Why this is not the case I do not know. I have to refer to stack overflow every. single. functioning. time.
– Mazatec
Aug 2 '16 at 17:17
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lodash multi-column sortBy descending
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Actually this would be the answer now. sortBy does not give you direction, but orderBy does.
– Pablo Palacios
Mar 5 '18 at 19:01
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