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How can I remove the first line of a text file using bash/sed script?
...you the last 5 lines of the input. The + sign kind of inverts the argument and make tail print anything but the first x-1 lines. tail -n +1 would print the whole file, tail -n +2 everything but the first line, etc.
GNU tail is much faster than sed. tail is also available on BSD and the -n +2 flag i...
Logging best practices [closed]
I'd like to get stories on how people are handling tracing and logging in real applications. Here are some questions that might help to explain your answer.
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Should I use alias or alias_method?
...ned in the Module class.)
alias's behavior changes depending on its scope and can be quite unpredictable at times.
Verdict: Use alias_method - it gives you a ton more flexibility.
Usage:
def foo
"foo"
end
alias_method :baz, :foo
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In Android EditText, how to force writing uppercase?
In my Android application I have different EditText where the user can enter information. But I need to force user to write in uppercase letters.
Do you know a function to do that?
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How can I reorder my divs using only CSS?
... in that order in the HTML? Both div s contain data that varies in height and width.
24 Answers
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PHP PDO: charset, set names?
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It's worth noting that this behaviour changed in 5.3.6, and is now working correctly.
– igorw
Nov 10 '11 at 10:47
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How to set Java environment path in Ubuntu
...just installed JDK in Ubuntu with sudo apt-get install openjdk-6-jdk command,
after the installation where's the Java bin directory located? And how can I set the environment path for that directory? I have little experience with Ubuntu, can anyone give some advice or suggest any good website fo...
How do you set up use HttpOnly cookies in PHP
...ion cookie (PHPSESSID, by default), see @richie's answer
The setcookie() and setrawcookie() functions, introduced the httponly parameter, back in the dark ages of PHP 5.2.0, making this nice and easy. Simply set the 7th parameter to true, as per the syntax
Function syntax simplified for brevity
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Why can I change value of a constant in javascript
I know that ES6 is not standardized yet, but a lot of browsers currently support const keyword in JS.
7 Answers
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Functional programming vs Object Oriented programming [closed]
I've been mainly exposed to OO programming so far and am looking forward to learning a functional language. My questions are:
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