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Linux command to list all available commands and aliases
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To directly answer your question:
compgen -ac | grep searchstr
should do what yout want.
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How do I enable the column selection mode in Eclipse?
...wrote that Eclipse 3.5 finally supports column selection.
Unfortunately I don't know HOW to enable it. I tried pressing the ALT-key like I am used to in Visual Studio and all other Microsoft products but that had no effect.
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SQL JOIN - WHERE clause vs. ON clause
...use they are functionally the same, in that they produce the same results, does not mean the two kinds of clauses have the same semantic meaning.
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Converting Symbols, Accent Letters to English Alphabet
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Reposting my post from How do I remove diacritics (accents) from a string in .NET?
This method works fine in java (purely for the purpose of removing diacritical marks aka accents).
It basically converts all accented characters into their deAccented ...
(grep) Regex to match non-ASCII characters?
...II filenames, and I have to find out how many are affected. I was going to do this with find and then do a grep to print the non-ASCII characters, and then do a wc -l to find the number. It doesn't have to be grep; I can use any standard Unix regular expression , like Perl , sed , AWK , et...
Turning multi-line string into single comma-separated
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echo "data" | awk -vORS=, '{ print $2 }' | sed 's/,$/\n/'
To break it down:
awk is great at handling data broken down into fields
-vORS=, sets the "output record separator" to ,, which is what you wanted
{ print $2 } tells awk to print the second field for every record (line)
file.txt is your...
How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
How do I delete a directory and its entire contents (files and subdirectories) in PHP?
21 Answers
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Efficiently updating database using SQLAlchemy ORM
... ORM is meant to be used together with the SQL layer, not hide it. But you do have to keep one or two things in mind when using the ORM and plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. Fro...
What's the difference between libev and libevent?
... you also need to look elsewhere for an http library, because libev simply doesn't have one (for example, there is a very related library called libeio that does asynchronous I/O, which can be used independently or together with libev, so you can mix and match).
So in short, libev tries to do one t...
Recursively counting files in a Linux directory
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wc (short for word count) counts newlines, words and bytes on its input (docs).
-l to count just newlines.
Notes:
Replace DIR_NAME with . to execute the command in the current folder.
You can also remove the -type f to include directories (and symlinks) in the count.
It's possible this comman...