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How can I check if a file exists in Perl?
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Greg BaconGreg Bacon
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AngularJS - difference between pristine/dirty and touched/untouched
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$pristine/$dirty tells you whether the user actually changed anything, while $touched/$untouched tells you whether the user has merely been there/visited.
This is really useful for validation. The reason for $dirty was always to avoid showing validation responses until t...
How to pass macro definition from “make” command line arguments (-D) to C source code?
I usually pass macro definitions from "make command line" to a "makefile" using the option :
-Dname=value. The definition is accessible inside the makefile.
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comparing 2 strings alphabetically for sorting purposes
I'm trying to compare 2 strings alphabetically for sorting purposes. For example I want to have a boolean check like if('aaaa' < 'ab') . I tried it, but it's not giving me correct results, so I guess that's not the right syntax. How do I do this in jquery or Javascript?
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How do you get current active/default Environment profile programmatically in Spring?
...ieve similar functionality using the annotation @Profile("local") Profiles allow for selective configuration based on a passed-in or environment parameter. Here is more information on this technique: Spring Profiles
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Fit cell width to content
Given the following markup, how could I use CSS to force one cell (all cells in column) to fit to the width of the content within it rather than stretch (which is the default behaviour)?
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Why can I use auto on a private type?
...e itself is still usable, which is why you can return it to client code at all.
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How to call function from another file in go language?
I want to call function from another file in go lang, can any one help?
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Why does Unicorn need to be deployed together with Nginx?
... application servers. They also know how to handle caching and are good at allowing concurrent file downloads while still taking in traffic and passing it to the application servers.
– Pratik
Jan 5 '12 at 9:28
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Copying files using rsync from remote server to local machine
Once I've ssh'd into my remote server, what would the command be to copy all files from a directory to a local directory on my machine?
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