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How to retrieve Request Payload
...are just passing json data through the http body, instead of application/x-www-form-urlencoded data.
You can fetch this data with this snippet:
$request_body = file_get_contents('php://input');
If you are passing json, then you can do:
$data = json_decode($request_body);
$data then contains t...
How to sort with lambda in Python
...ined without a name, this post seems to explain it pretty nicely.
https://www.programiz.com/python-programming/anonymous-function
Lambda functions are nice for calling in-line because they only have one expression which is evaluated and returned. They syntax for a lambda is:
lambda arguments: exp...
What is the maximum length of data I can put in a BLOB column in MySQL?
...
May or may not be accurate, but according to this site: http://www.htmlite.com/mysql003.php.
BLOB A string with a maximum length of 65535 characters.
The MySQL manual says:
The maximum size of a BLOB or TEXT
object is determined by its type, but
the largest value you actu...
How is a CRC32 checksum calculated?
...he message.
The reason for this strange procedure is that the first Ethernet implementations would serialize the message one byte at a time and transmit the least significant bit of every byte first. The serial bit stream then went through a serial CRC-32 shift register computation, which was simp...
How to copy data from one table to another new table in MySQL?
...
SELECT *
INTO newtable [IN externaldb]
FROM table1;
http://www.w3schools.com/sql/sql_select_into.asp
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How do I get Windows to go as fast as Linux for compiling C++?
...ge of). Look at this selection of Unix-related performance papers: http://www.eecs.harvard.edu/margo/papers/ or look up the history of papers by Osterhaus, Henry Spencer, or others. Heck, one of the biggest (and most enjoyable to watch) debates in Unix history was the back and forth between Osterha...
A list of indices in MongoDB?
...st of indices on a collection in mongodb in shell? i read through http://www.mongodb.org/display/DOCS/Indexes but i dont see anything
...
Setting environment variables on OS X
...ep -E "^setenv" /etc/launchd.conf | xargs -t -L 1 launchctl
#
# See http://www.digitaledgesw.com/node/31
# and http://stackoverflow.com/questions/135688/setting-environment-variables-in-os-x/
#
# Note that you must hardcode the paths below, don't use environment variables.
# You also need to surroun...
Animate a custom Dialog
...).windowAnimations = R.style.DialogAnimation; //style id
Based in http://www.devexchanges.info/2015/10/showing-dialog-with-animation-in-android.html
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Generating matplotlib graphs without a running X server [duplicate]
...an going through the pylab interface. There's a good example here:
http://www.dalkescientific.com/writings/diary/archive/2005/04/23/matplotlib_without_gui.html
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