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How can I reverse the order of lines in a file?
I'd like to reverse the order of lines in a text file (or stdin), preserving the contents of each line.
25 Answers
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Converting string to title case
I have a string which contains words in a mixture of upper and lower case characters.
23 Answers
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Importing two classes with same name. How to handle?
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You can omit the import statements and refer to them using the entire path. Eg:
java.util.Date javaDate = new java.util.Date()
my.own.Date myDate = new my.own.Date();
But I would say that using two classes with the same name and a similiar f...
MySQL error code: 1175 during UPDATE in MySQL Workbench
I'm trying to update the column visited to give it the value 1. I use MySQL workbench, and I'm writing the statement in the SQL editor from inside the workbench. I'm writing the following command:
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AngularJS For Loop with Numbers & Ranges
Angular does provide some support for a for loop using numbers within its HTML directives:
24 Answers
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Amazon S3 boto - how to create a folder?
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There is no concept of folders or directories in S3. You can create file names like "abc/xys/uvw/123.jpg", which many S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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Apply a function to every row of a matrix or a data frame
Suppose I have a n by 2 matrix and a function that takes a 2-vector as one of its arguments. I would like to apply the function to each row of the matrix and get a n-vector. How to do this in R?
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JQuery Event for user pressing enter in a textbox?
...at's triggered only if the user hits the enter button in a textbox? Or any plugin that can be added to include this? If not, how would I write a quick plugin that would do this?
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Android get free size of internal/external memory
...t to get the size of free memory on internal/external storage of my device programmatically. I'm using this piece of code :
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Xcode debugging - displaying images
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Use Quick Look to inspect images in the Xcode debugger.
Select an NSImage or UIImage in the debugger, then click the Quick Look "eye" icon.
Like other areas of OS X, you can also use spacebar to Quick Look!
Quick Look in the debugger can also b...