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Big O of JavaScript arrays

Arrays in JavaScript are very easy to modify by adding and removing items. It somewhat masks the fact that most languages arrays are fixed-size, and require complex operations to resize. It seems that JavaScript makes it easy to write poorly performing array code. This leads to the question: ...
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How to manually install an artifact in Maven 2?

...ith Maven 2. I wanted to install a jar from a local directory with the command 6 Answers ...
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How can I tell if my server is serving GZipped content?

I have a webapp on a NGinx server. I set gzip on in the conf file and now I'm trying to see if it works. YSlow says it's not, but 5 out of 6 websites that do the test say it is. How can I get a definite answer on this and why is there a difference in the results? ...
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Difference between $(document.body) and $('body')

I am a jQuery beginner and while going through some code examples I found: 6 Answers 6...
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Unix shell script find out which directory the script file resides?

...ed to use readlink as well (see al's answer below) – AndrewR Mar 17 '10 at 23:26 45 In bash it is...
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“open/close” SqlConnection or keep open?

...d Dec 14 '10 at 13:02 Adriaan StanderAdriaan Stander 146k2626 gold badges261261 silver badges272272 bronze badges ...
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Regex - Does not contain certain Characters

... this means, beginning of string, then one or more of anything except < and >, then the end of the string. share | improve this answer | follow | ...
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PHP random string generator

I'm trying to create a randomized string in PHP, and I get absolutely no output with this: 59 Answers ...
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What are the special dollar sign shell variables?

...shell (not subshell). $_ most recent parameter (or the abs path of the command to start the current shell immediately after startup). $IFS is the (input) field separator. $? is the most recent foreground pipeline exit status. $! is the PID of the most recent background command. $0 is the name of the...
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Spring MVC type conversion : PropertyEditor or Converter?

I am looking for the easiest and simplest way to bind and convert data in Spring MVC. If possible, without doing any xml configuration. ...