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What does 'wb' mean in this code, using Python?
...ode the text based on the default text encoding. Additionally, Python will convert line endings (\n) to whatever the platform-specific line ending is, which would corrupt a binary file like an exe or png file.
Text mode should therefore be used when writing text files (whether using plain text or a...
How to get a time zone from a location using latitude and longitude coordinates?
...st of the methods listed will return an IANA time zone id. If you need to convert to a Windows time zone for use with the TimeZoneInfo class in .NET, use the TimeZoneConverter library.
Don't use zone.tab
The tz database includes a file called zone.tab. This file is primarily used to present a list...
How can I troubleshoot my Perl CGI script?
...rather than being buffered.
You have to set this for each filehandle. Use select to
change the default filehandle, like so:
$|++; #sets $| for STDOUT
$old_handle = select( STDERR ); #change to STDERR
$|++; #sets $| for STDERR
select( $old_hand...
When to encode space to plus (+) or %20?
...ions, URLs are covered entirely by RFC3986, which means spaces ought to be converted to '%20'. And definitely that should be the case if you are requesting anything other than an HTML document.
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How to store arrays in MySQL?
... retrieve a person and all of their fruit you can do something like this:
SELECT p.*, f.*
FROM person p
INNER JOIN person_fruit pf
ON pf.person_id = p.id
INNER JOIN fruits f
ON f.fruit_name = pf.fruit_name
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Drawing an image from a data URL to a canvas
...
in javascript , using jquery for canvas id selection :
var Canvas2 = $("#canvas2")[0];
var Context2 = Canvas2.getContext("2d");
var image = new Image();
image.src = "images/eye.jpg";
Context2.drawImage(image, 0, 0);
html5:
<canv...
git diff file against its last change
...mit in the list. This also works for directories, but then you also get to select the file to diff for the selected commit. Super useful!
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How to add a custom loglevel to Python's logging facility
... you need args without *? If I do that, I get TypeError: not all arguments converted during string formatting but it works fine with *. (Python 3.4.3). Is it a python version issue, or something I'm missing?
– Peter
Apr 16 '17 at 20:10
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How to extract public key using OpenSSL?
...
and if you need to convert this format to ssh-rsa AAAAB3NzaC1y.... run : ssh-keygen -f PublicKey.pub -i -mPKCS8
– Rafael Milewski
May 18 '18 at 4:46
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Advantages of std::for_each over for loop
...say when the source is a collection of different types, and I want them to convert into Element.
– Nawaz
Aug 8 '16 at 8:56
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