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What is IP address '::1'?

...0:0000:0000:0000:0001 but we have some short form representation for this. If there are all zeroes in a single block you can replace it by single 0. So it becomes -> 0:0:0:0:0:0:0:0001. Again we can see that we have runs of zeroes, they can be eliminated and we get -> ::0001 -> ::1 . ...
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How to send email attachments?

... Here is the modified version from Oli for python 3 import smtplib from pathlib import Path from email.mime.multipart import MIMEMultipart from email.mime.base import MIMEBase from email.mime.text import MIMEText from email.utils import COM...
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Case Insensitive Flask-SQLAlchemy Query

... Improving on @plaes's answer, this one will make the query shorter if you specify just the column(s) you need: user = models.User.query.with_entities(models.User.username).\ filter(models.User.username.ilike("%ganye%")).all() The above example is very useful in case one needs to use Flask...
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How can I read inputs as numbers?

...ere were two functions to get user input, called input and raw_input. The difference between them is, raw_input doesn't evaluate the data and returns as it is, in string form. But, input will evaluate whatever you entered and the result of evaluation will be returned. For example, >>> impo...
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How to convert image to byte array

... instead of System.Drawing.Imaging.ImageFormat.Gif, you can use imageIn.RawFormat – S.Serpooshan Nov 26 '16 at 12:31 1 ...
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Making Python loggers output all messages to stdout in addition to log file

... That's fine but if it's already redirected to a file how can I have it be printed to stdout in addition? – user248237 Dec 27 '12 at 17:27 ...
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Insert the carriage return character in vim

...en I try to paste it from the clipboard ( "+p ) or type it using Ctrl + Shift + u - 000d , the linefeed is inserted ( U+000A ). ...
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Django fix Admin plural

...his information about your model doesn't mean it will always be. Hopefully if you need the plural name of a model somewhere in your own code you'll use this property instead of re-inventing the wheel. – cibyr Mar 10 '14 at 3:33 ...
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How can I append a string to an existing field in MySQL?

... Just in case somebody runs into the same issue as I did: If the field code is NULL by default you need to use: UPDATE categories SET code = CONCAT(IFNULL(code,''), '_standard') WHERE id = 1; Otherwise the concat will always result in NULL. – Kai Noack ...
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Do I need elements in persistence.xml?

...nages orders and customers. It does not rely on any vendor-specific features and can therefore be deployed to any persistence provider. </description> <jta-data-source>jdbc/MyOrderDB</jta-data-source> <jar-file>MyOrderApp.jar&lt...