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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
...oach would be to check how many digits are output by Integer.toHexString() and add a leading zero to each byte if needed. Something like this:
public static String toHexString(byte[] bytes) {
StringBuilder hexString = new StringBuilder();
for (int i = 0; i < bytes.length; i++) {
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Hidden features of mod_rewrite
...of it work. As a result I've compiled a few notes on common functionality, and perhaps a few annoying nuances.
8 Answers
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Dealing with commas in a CSV file
I am looking for suggestions on how to handle a csv file that is being created, then uploaded by our customers, and that may have a comma in a value, like a company name.
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Purge or recreate a Ruby on Rails database
...ave a dev Ruby on Rails database full of data. I want to delete everything and rebuild the database. I'm thinking of using something like:
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Guava equivalent for IOUtils.toString(InputStream)
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Does not close the Readable.
This means that your InputStreamReader, and by extension the InputStream returned by supplier.get(), will not be closed after this code completes.
If, on the other hand, you take advantage of the fact that you appear to already have an InputSupplier<InputStream...
Check if two unordered lists are equal [duplicate]
I'm looking for an easy (and quick) way to determine if two unordered lists contain the same elements:
8 Answers
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How do I add comments to package.json for npm install?
I've got a simple package.json file and I want to add a comment. Is there a way to do this, or are there any hacks to make this work?
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How to get folder path for ClickOnce application
...n just run the app, open the task manager (CTRL-SHIFT-ESC), select the app and right-click|Open file location.
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Method Syntax in Objective-C
...kerView (slot machine UI on the iPhone) is being returned. From my understanding, the Method is called ' pickerView ', and returns an NSInteger.
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Why and not taking font-family and font-size from body?
Why Textarea and textfield not taking font-family and font-size from body?
5 Answers
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