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How to use OpenSSL to encrypt/decrypt files?
I want to crypt and decrypt one file using one password.
10 Answers
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How can I check if a scrollbar is visible?
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Note that on Macs the scrollbar floats over the content and disappears when not in use. On Windows it is always visible and takes up horizontal space. Therefor, just because content can be scrolled (which this function detects) does not mean that a scrollbar is necessarily present...
Convert string to variable name in JavaScript
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@WojciechBednarski: Don't confuse scope and context. this is context, what it points to depends on how the function is called. In JS, 50% of the time this is window unless you enable strict mode and this becomes undefined and will throw an error. Scope is something...
Checking from shell script if a directory contains files
...{#files} -gt 0 ]; or maybe you just forgot the () around the sub-shell command? files=($(shopt -s nullglob;shopt -s dotglob;echo /some/dir/*))
– stoutyhk
Jul 4 '13 at 17:48
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What is the equivalent of the C++ Pair in Java?
...bout the relationship between the two values (how do you know what "first" and "second" mean ?).
A better practice is to write a very simple class, like the one Mike proposed, for each application you would have made of the Pair class. Map.Entry is an example of a pair that carry its meaning in its...
How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
...er (the space) with Enter. Then, fspace. to move forward to the next space and repeat the last command.
Depending on your autoindent settings, the above may or may not indent the return statement properly. If not, then use sEnterTabEsc instead to replace the space with a newline, indent the line, a...
Programmatically add custom event in the iPhone Calendar
... access to the user's calendar via "requestAccessToEntityType:completion:" and execute the event handling inside of a block.
2) You need to commit your event now or pass the "commit" param to your save/remove call
Everything else stays the same...
Add the EventKit framework and #import <EventK...
Multiple “order by” in LINQ
I have two tables, movies and categories , and I get an ordered list by categoryID first and then by Name .
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How to Vertical align elements in a div?
I have a div with two images and an h1 . All of them need to be vertically aligned within the div, next to each other.
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Merge / convert multiple PDF files into one PDF
...er to provide out.pdf, or else it will overwrite the last file in your command, sigh.
– mlissner
Oct 19 '13 at 22:20
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