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How to base64 encode image in linux bash / shell
...="$(curl -v -X POST -d '{"image":`base64|$DIR$IMAGE`,"location":$LOCATION,"time_created":$TIMECREATED}' -H 'Content-type: text/plain; charset=UTF8' --max-time 180 -s $URL)";
– dash00
Jun 4 '13 at 13:51
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python: how to send mail with TO, CC and BCC?
I need for testing purposes to populate few hundred email boxes with various messages, and was going to use smtplib for that. But among other things I need to be able to send messages not only TO specific mailboxes, but CC and BCC them as well. It does not look like smtplib supports CC-ing and B...
Best way to parse command line arguments in C#? [closed]
... v => names.Add (v) },
{ "r|repeat=",
"the number of {TIMES} to repeat the greeting.\n" +
"this must be an integer.",
(int v) => repeat = v },
{ "v", "increase debug message verbosity",
v => { if (v != null) ++verbosity; } },
{ "h|help", ...
npm command to uninstall or prune unused packages in Node.js
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If you're not worried about a couple minutes time to do so, a solution would be to rm -rf node_modules and npm install again to rebuild the local modules.
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
... Thank you!!! I had been trying to figure this out for a long time! I commented out that line, saved the file, and then ran service mysql restart. And now it works!
– Ryan
Jan 20 '14 at 17:59
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Convert floating point number to a certain precision, and then copy to string
...log post - talks about performance too
Here is a diagram of the execution times of the various tested methods (from last link above):
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Random record from MongoDB
... race conditions are valid, but for collections where neither matters (one-time server-side batch extract in a collection where records aren't deleted), this is vastly superior to the hacky (IMO) solution in the Mongo Cookbook.
– Michael Moussa
Sep 5 '12 at 16:...
Why is processing a sorted array slower than an unsorted array?
...ll restore performance because no pointer-dereference needs to occur at runtime to access tuple members.
Chris Sinclair notes in the comments that "for TotalCount around 10,000 or less, the sorted version does perform faster". This is because a small list fits entirely into the CPU cache. The memor...
sed error: “invalid reference \1 on `s' command's RHS”
I run several substitution commands as the core of a colorize script for maven .
One of the sed commands uses a regular expression which works find in the shell as discussed here . The current (not working) implementation can be found here .
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How to loop over files in directory and change path and add suffix to filename
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This is still a timely warning. I thought I had created my script incorrectly, but I had my file extension lower case instead of upper case, it found no files, and returned the glob pattern. ugh.
– RufusVS
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