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Why do python lists have pop() but not push()
...ead code that uses
the other one, so you need to learn
both, which is more cognitive load.
You can also see he discusses the idea of if push/pop/put/pull should be at element [0] or after element [-1] where he posts a reference to Icon's list:
I stil think that all this is best
left out...
Java Regex Capturing Groups
...ut:
group 1: This order was placed for QT
group 2: 3000
group 3: ! OK?
More info on Java Pattern here.
Finally, the capturing groups are delimited by round brackets, and provide a very useful way to use back-references (amongst other things), once your Pattern is matched to the input.
In Jav...
Wrapping StopWatch timing with a delegate or lambda?
... @Jay I agree that "foreach" with Enumerable.Range looks a bit more "modern", but my tests show that it's about four times slower than a "for" loop over a large count. YMMV.
– Matt Hamilton
Oct 25 '08 at 23:16
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How to check if an object is nullable?
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How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
...ohn's answer below, about changing the signature to accept const char*, is more correct.
– jcwenger
Jun 27 '14 at 15:07
216
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MySQL: Insert record if not exists in table
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Thanks that helped. My actual problem is far more complex and the column just cannot be unique and I cannot depend on the primary key. But this is exactly what I was looking for.
– Rupert
Jul 2 '10 at 10:41
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Why should I use core.autocrlf=true in Git?
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@VonC Thanks! That helps me feel more confident that it's safe for me to use autocrlf=false. Out of interest, do you know why git still does eol conversion even if you have autocrlf set to false?
– Rich
May 13 '10 at 10...
Double decimal formatting in Java
... Optionally u might want to add another separator for digits more than 3 before the comma then use the following NumberFormat formatter = new DecimalFormat("#,000.00"); System.out.println(formatter.format(4.0));
– Jose Mhlanga
Aug 27 at 7:01
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How can I check whether a radio button is selected with JavaScript?
....checked) {
//Female radio button is checked
}
The above could be made more efficient depending on the exact nature of your markup but that should be enough to get you started.
If you're just looking to see if any radio button is selected anywhere on the page, PrototypeJS makes it very easy.
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