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Fast way to get image dimensions (not filesize)
...ntify -format "%h" "$0")> /dev/null
And this also hides any potential error messages. Modern implementations of identify only read the header, not the whole image, so it is fast. Not sure how it compares to other methods though.
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How do I get the directory that a program is running from?
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There is a small error, but unfortunately I can't edit yet.. line 10: cCurrentpath: should be cCurrentPath
– Lipis
Dec 20 '09 at 14:56
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Python ValueError: too many values to unpack [duplicate]
...an two keys*, they can't be unpacked into the tuple "k, m", hence the ValueError exception is raised.
In Python 2.x, to iterate over the keys and the values (the tuple "k, m"), we use self.materials.iteritems().
However, since you're throwing the key away anyway, you may as well simply iterate ove...
Difference between TCP and UDP?
... used protocol on the Internet.
The reason for this is because TCP offers error correction. When the TCP protocol is used there is a "guaranteed delivery." This is due largely in part to a method called "flow control." Flow control determines when data needs to be re-sent, and stops the flow of dat...
Implementing two interfaces in a class with same method. Which interface method is overridden?
...e two methods have conflicting return types, then it will be a compilation error. This is the general rule of inheritance, method overriding, hiding, and declarations, and applies also to possible conflicts not only between 2 inherited interface methods, but also an interface and a super class metho...
What is the real overhead of try/catch in C#?
...Hmmm - mark-up doesn't work in comments. To try again - exceptions are for errors, not for "exceptional behaviour" or conditions: blogs.msdn.com/kcwalina/archive/2008/07/17/…
– HTTP 410
Oct 24 '08 at 16:56
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Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
...ted to play with it for big toys, I started to notice random/unknown fatal error and crashes (with H.264 codecs, etc.), and it was a nightmare till then to get ride of system crash+fatal errors caused by OpenJDK.
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Making Maven run all tests, even when some fail
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additionally you could add -e for the cmd to provide some error information.
– despot
Sep 27 '12 at 8:03
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Run Java Code Online [closed]
...s an online java compiler. It provides syntax highlighting and reports any errors back to you. It's a project I'm working on, so if you have any feedback please leave a comment!
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Calculate distance between two latitude-longitude points? (Haversine formula)
...n asked for distance on between points on a WGS84 globe. Not sure how much error creeps in by using a perfect sphere, but I suspect it can be quite a lot depending on where the points are on the globe, thus the distinction is worth bearing in mind.
– redcalx
No...