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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli

...ffffff" because of sign extension. So one might need to take the last two characters of the returned string. – Marvo Jul 27 '12 at 20:55 ...
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Why is  appearing in my HTML? [duplicate]

I see this character in Firebug  . 10 Answers 10 ...
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Should I impose a maximum length on passwords?

...elves), but my bank has a requirement that passwords are between 6 and 8 characters long, and I started wondering... 20 A...
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application/x-www-form-urlencoded or multipart/form-data?

...will fail. The key is to choose an encoding and a boundary such that your selected boundary characters cannot appear in the encoded output. One simple solution is to use base64 (do not use raw binary). In base64 3 arbitrary bytes are encoded into four 7-bit characters, where the output character se...
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PHP method chaining?

...imed at creating a DSL. Ex: $foo->setBar(1)->setBaz(2) vs $table->select()->from('foo')->where('bar = 1')->order('ASC). The latter spans multiple objects. – Gordon Sep 16 '10 at 7:32 ...
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Using sed and grep/egrep to search and replace

I am using egrep -R followed by a regular expression containing about 10 unions, so like: .jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp ...
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What is the Difference Between read() and recv() , and Between send() and write()?

...). However, it didn't work when I tried to send binary data that included character 10. write() somewhere inserted character 13 before this. Changing it to send() with a flags parameter of 0 fixed that problem. read() could have the reverse problem if 13-10 are consecutive in the binary data, bu...
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Stripping out non-numeric characters in string

Hey Im looking to strip out non-numeric characters in a string in ASP.NET C# 11 Answers ...
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How do I get a list of column names from a psycopg2 cursor?

I would like a general way to generate column labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature. ...
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How to define an enumerated type (enum) in C?

...um { RANDOM, IMMEDIATE, SEARCH } strategy = IMMEDIATE; int main(int argc, char** argv){ printf("strategy: %d\n", strategy); return 0; } If instead of the above, the second line were changed to: ... enum { RANDOM, IMMEDIATE, SEARCH } strategy; strategy = IMMEDIATE; ... From the warnings, ...