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Print a file's last modified date in Bash
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You can use the
stat
command
stat -c %y "$entry"
More info
%y time of last modification, human-readable
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Where does Console.WriteLine go in ASP.NET?
...n the output window (dc is the DataContext).
Have a look at this for more info: http://damieng.com/blog/2008/07/30/linq-to-sql-log-to-debug-window-file-memory-or-multiple-writers
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Maximum value for long integer
...e unlimited precision. Refer the section Numeric Types in python for more information.To determine the max value of integer you can just refer sys.maxint. You can get more details from the documentation of sys.
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“unmappable character for encoding” warning in Java
... rightly point out, this is absolutely the worst way to do it, because the info is fragile and easily lost. Languages that keep the metadata (encoding metadata) and the data (read: source code) together in one place are much more robust at this. It’s the only sane approach.
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Truly understanding the difference between procedural and functional
... can clearly state what "Select" and "Where" and "Aggregate" means, we are free to swap out their implementations, just like we do with AsParallel() and suddenly our single-threaded app scales out to n cores.
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Why does appending “” to a String save memory?
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Take a look at the substring() method in the JDK String source for more info.
EDIT: To answer your supplementary question, constructing a new String from the substring will reduce your memory consumption, provided you bin any references to the original String.
NOTE (Jan 2013). The above behavio...
oh-my-zsh slow, but only for certain Git repo
...ion
There are two central git functions in in lib/git.zsh:
git_prompt_info()
parse_git_dirty()
Each Method has a git config switch to disable it:
oh-my-zsh.hide-status
oh-my-zsh.hide-dirty
Some themes create their own git queries and sometimes ignore these flags.
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Use of #pragma in C
...or may not apply to all machines and operating systems.
See msdn for more info.
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Iterate over a Javascript associative array in sorted order
...n I wrote this answer, but suggested it anyway... thanks for providing the info. As an aside, it SHOULDN'T break frameworks as they should ALWAYS use hasOwnProperty when iterating objects
– Luke Schafer
Dec 20 '12 at 22:54
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MySQL LIKE IN()?
... learn more about regular expressions, I recommend www.regular-expressions.info as a good reference site.
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