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Symfony 2: How do I check if a user is not logged in inside a template?
In Symfony 2 templates (using Twig), how can I effectively check whether a user is not logged in?
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Do I set properties to nil in dealloc when using ARC?
I am trying to learn Automatic Reference Counting in iOS 5. Now the first part of this question should be easy:
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Ruby / Rails: convert int to time OR get time from integer?
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time.to_i => int: Returns the value of time as an integer number of seconds since epoch.
Time.at(seconds[, microseconds]) => time: Creates a new time object with the given number of seconds (and optional microseconds) from epoch.
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Merge Images Side by Side(Horizontally)
...with the montage utility. Montage will append each image side-by-side allowing you to adjust spacing between each image (-geometry), and the general layout (-tile).
montage [0-5].png -tile 5x1 -geometry +0+0 out.png
Other examples can be found on Montage Usage page
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How do I enable gzip compression when using MVC3 on IIS7?
Does anybody know how to enable gzip compression in MVC 3? I'm using IIS7.
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How to make git diff --ignore-space-change the default
...etup an alias, but it seems like I should be able to set this as an option in the config file, only I don't see anyway to do it.
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Why use @PostConstruct?
In a managed bean, @PostConstruct is called after the regular Java object constructor.
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RSpec: how to test if a method was called?
When writing RSpec tests, I find myself writing a lot of code that looks like this in order to ensure that a method was called during the execution of a test (for the sake of argument, let's just say I can't really interrogate the state of the object after the call because the operation the method p...
Is there a JavaScript strcmp()?
...Script does not have a version of strcmp(), so you have to write out something like:
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How to make graphics with transparent background in R using ggplot2?
...t ggplot2 graphics from R to PNG files with transparent background. Everything is ok with basic R graphics, but no transparency with ggplot2:
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