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How do I use Node.js Crypto to create a HMAC-SHA1 hash?
I want to create a hash of I love cupcakes (signed with the key abcdeg )
3 Answers
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How to disable breadcrumbs in Eclipse
How can I disable the Java editor breadcrumb in Eclipse?
11 Answers
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sqlite3-ruby install error on Ubuntu
I have the following error during sqlite3-ruby install:
19 Answers
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Convert String to double in Java
...// example String
double value = Double.parseDouble(text);
For your case it looks like you want:
double total = Double.parseDouble(jlbTotal.getText());
double price = Double.parseDouble(jlbPrice.getText());
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C# equivalent of the IsNull() function in SQL Server
...er you can use the IsNull() function to check if a value is null, and if it is, return another value. Now I am wondering if there is anything similar in C#.
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MySQL query to get column names?
...`TABLE_SCHEMA`='yourdatabasename'
AND `TABLE_NAME`='yourtablename';
It's VERY powerful, and can give you TONS of information without need to parse text (Such as column type, whether the column is nullable, max column size, character set, etc)...
Oh, and it's standard SQL (Whereas SHOW ... is...
Convert hex string to int
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It's simply too big for an int (which is 4 bytes and signed).
Use
Long.parseLong("AA0F245C", 16);
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Quit and restart a clean R session from within R?
Is there a way I can make an alias, within R, that will execute q() and then restart a clean R session?
12 Answers
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OS X Terminal Colors [closed]
I'm new to OS X, having just gotten a Mac after working with Ubuntu Linux for some time. Among the many things I'm trying to figure out is the absence of colors in my terminal window - like the ones that are shown (on Linux) when running ls -la or git status ...
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Maintain/Save/Restore scroll position when returning to a ListView
...is ListView again, I want the list to be scrolled to the same point that it was previously. Any ideas on how to achieve this?
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