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In Python, how do I create a string of n characters in one line of code?
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What should every programmer know about security? [closed]
...if you want your applications to be secure:
Never trust any input!
Validate input from all untrusted sources - use whitelists not blacklists
Plan for security from the start - it's not something you can bolt on at the end
Keep it simple - complexity increases the likelihood of security holes
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How to select a node using XPath if sibling node has a specific value?
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Seems I actually didn't read the title. :) Answer stays valid anyway.
– Jens Erat
Jun 11 '13 at 13:34
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How can I make gdb save the command history?
... everything is swell
You can check your gdb history settings by doing (inside gdb) "show history":
gdb$ show history
expansion: History expansion on command input is off.
filename: The filename in which to record the command history is "/home/xiao/.gdb_history".
save: Saving of the history reco...
Show filename and line number in grep output
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How to optimize imports automatically after each save in IntelliJ IDEA
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IntelliJ IDEA offers an option to Optimize imports on the fly in Settings | Editor | General | Auto Import and Optimize imports option in the Commit Project dialog.
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invalid target release: 1.7
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In IntelliJ IDEA this happened to me when I imported a project that had been working fine and running with Java 1.7. I apparently hadn't notified IntelliJ that java 1.7 had been installed on my machine, and it wasn't finding my $JAVA_HOM...
Count the occurrences of DISTINCT values
...r for the question, I would like to make a correction on her comment to avoid leading new people astray. If you leave off the "group by" in a MySQL query, you don't get [Mike, 1], [Mike, 1], you get a single result which will be the name on the FIRST row returned, and a count of number of rows in ...
What is `git diff --patience` for?
...S-based diff at its core, but with an important difference, as it only considers the longest common subsequence of the signature lines:
Find all lines which occur exactly once on both sides, then do longest common subsequence on those lines, matching them up.
When should you use patience diff? A...
Sorting data based on second column of a file
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This doesn't consider spaces in the first column neither works if there are more columns after the second, since -k read until the line end. Supposing it is a TSV file a better solution is sort -t$'\t' -k2 -n FILE
– tuxE...