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How can I lookup a Java enum from its String value?
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thanks - and I can use case conversion if I know the values are still distinct
– peter.murray.rust
Jul 5 '09 at 10:21
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Git submodule update
..., commit in that submodule directory without creating a branch to work in, and then run git submodule update again from the superproject without committing in the meantime, Git will overwrite your changes without telling you. Technically you won’t lose the work, but you won’t have a branch point...
Opening port 80 EC2 Amazon web services [closed]
...to the "Network & Security" -> Security Group settings in the left hand navigation
Find the Security Group that your instance is apart of
Click on Inbound Rules
Use the drop down and add HTTP (port 80)
Click Apply and enjoy
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Strip all non-numeric characters from string in JavaScript
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Use the string's .replace method with a regex of \D, which is a shorthand character class that matches all non-digits:
myString = myString.replace(/\D/g,'');
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Do I need to explicitly call the base virtual destructor?
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This question might be related and help questions/15265106/c-a-missing-vtable-error.
– Paul-Sebastian Manole
Dec 20 '14 at 20:16
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Why is Dictionary preferred over Hashtable in C#?
... safety with Dictionary<TKey, TValue>, because you can't insert any random object into it, and you don't have to cast the values you take out.
Interestingly, the Dictionary<TKey, TValue> implementation in the .NET Framework is based on the Hashtable, as you can tell from this comment in...
What are bitwise shift (bit-shift) operators and how do they work?
I've been attempting to learn C in my spare time, and other languages (C#, Java, etc.) have the same concept (and often the same operators) ...
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Why is 1/1/1970 the “epoch time”?
...DC, but it was probably cheap to use whatever was most common at the time, and TVs were being mass-produced then...
– Matt Howells
Jul 7 '09 at 10:32
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Is there any free OCR library for Android? [closed]
I'm looking for a Java OCR that runs on Android, however Asprise doesn't seem to be a platform independent OCR. is there any opensource/free Java OCR I can use for android application development?
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What does the ng stand for in Angular.js directives
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The prefix ng stands for "Angular;" all of the built-in directives that ship with Angular use that prefix. Similarly, it is recommended that you do not use the ng prefix on your own directives in order to avoid possible name collisions in fu...