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What are the best practices for catching and re-throwing exceptions?
...ption
The most obvious meaningful action is to handle the exception, e.g. by displaying an error message and aborting the operation:
try {
$connect = new CONNECT($db, $user, $password, $driver, $host);
}
catch (Exception $e) {
echo "Error while connecting to database!";
die;
}
Loggin...
Resize image to full width and fixed height with Picasso
...the full device width, and to display the center part of the image cropped by a fixed height (150dp). I currently have the following code:
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What is 'Pattern Matching' in functional languages?
...a types. The parameters to the constructor are unnamed, they're identified by position and data type.
You create instances of your a list class as such:
let x = Cons(1, Cons(2, Cons(3, Cons(4, Nil))))
Which is the same as:
Stack<int> x = new Cons(1, new Cons(2, new Cons(3, new Cons(4, new...
Nested JSON objects - do I have to use arrays for everything?
....othertype.id
obj.otherstuff.thing[0][1] //thing is a nested array or a 2-by-2 matrix.
//I'm not sure whether you intended to do that.
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Postgresql - change the size of a varchar column to lower length
... resize it to a varchar(40) .
Basically, I would like to change my column by running the following command:
9 Answers
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How to amend a commit without changing commit message (reusing the previous one)?
... You can also make it easier to default to the --no-edit flag by adding an alias: "amend = commit -a --amend --no-edit"
– Jherico
Apr 22 '13 at 21:00
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Regular expression to match a line that doesn't contain a word
...support inverse matching is not entirely true. You can mimic this behavior by using negative look-arounds:
^((?!hede).)*$
The regex above will match any string, or line without a line break, not containing the (sub)string 'hede'. As mentioned, this is not something regex is "good" at (or should d...
How to echo with different colors in the Windows command line
...sion below 10, the Windows command console doesn't support output coloring by default. You could install either Cmder, ConEmu, ANSICON or Mintty (used by default in GitBash and Cygwin) to add coloring support to your Windows command console.
Windows 10 - Command Line Colors
Starting from Windows 1...
What's the difference of strings within single or double quotes in groovy?
..., so:
println 'hi $a' // prints "hi $a"
Also, the link given by julkiewicz in their answer is worth reading (esp. the part about GStrings not being Strings about 2/3 of the way down.
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What is the most efficient way to deep clone an object in JavaScript?
... eval(uneval(o)); being used, but that's non-standard and only supported by Firefox . I've done things like obj = JSON.parse(JSON.stringify(o)); but question the efficiency. I've also seen recursive copying functions with various flaws.
I'm surprised no canonical solution exists.
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