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Eclipse add Tomcat 7 blank server name
...Tomcat 7 in my Eclipse in Ubuntu. When I click "Add new server" in Eclipse and select "Tomcat v7.0 Server", the field "Server Name" is blank and I cannot type in anything in that textbox as shown below:
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Grabbing the href attribute of an A element
...de) {
echo $dom->saveHtml($node), PHP_EOL;
}
The above would find and output the "outerHTML" of all A elements in the $html string.
To get all the text values of the node, you do
echo $node->nodeValue;
To check if the href attribute exists you can do
echo $node->hasAttribute( '...
What is the best way to compute trending topics or tags?
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This problem calls for a z-score or standard score, which will take into account the historical average, as other people have mention, but also the standard deviation of this historical data, making it more robust than just using the average.
In your case a z-sc...
How to silence output in a Bash script?
I have a program that outputs to stdout and would like to silence that output in a Bash script while piping to a file.
9 An...
What's the false operator in C# good for?
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You can use it to override the && and || operators.
The && and || operators can't be overridden, but if you override |, &, true and false in exactly the right way the compiler will call | and & when you write || and &&.
For example, ...
Execute command on all files in a directory
...ich need to be run through a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output into one big output file.
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What is the printf format specifier for bool?
...t something like "%d" which would cause problems. The fputs, on the other hand, is a better option.
– paxdiablo
Oct 15 '14 at 2:40
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Printing leading 0's in C?
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printf("%05d", zipCode);
The 0 indicates what you are padding with and the 5 shows the length of the integer number. For example if you use "%02d" (Useful for dates) this would only pad zeros for numbers in the ones column ie.(06 instead of 6). Example 2, "%03d" would pad 2 zeros for one nu...
String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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Can Python test the membership of multiple values in a list?
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This does what you want, and will work in nearly all cases:
>>> all(x in ['b', 'a', 'foo', 'bar'] for x in ['a', 'b'])
True
The expression 'a','b' in ['b', 'a', 'foo', 'bar'] doesn't work as expected because Python interprets it as a tupl...