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How to write PNG image to string with the PIL?
...:
import io
with io.BytesIO() as output:
image.save(output, format="GIF")
contents = output.getvalue()
You have to explicitly specify the output format with the format parameter, otherwise PIL will raise an error when trying to automatically detect it.
If you loaded the image from a fil...
How to use http.client in Node.js if there is basic authorization
...usCode);
console.log('HEADERS: ' + JSON.stringify(response.headers));
response.setEncoding('utf8');
response.on('data', function (chunk) {
console.log('BODY: ' + chunk);
...
Call a “local” function within module.exports from another function in module.exports?
...
I think that this is better than the accepted answer. If you define functions outside of the exports scope, it adds an extra level of indirection, and while it can be desirable sometimes, it makes it more complicated, to refactor, e.g. rename the function, of find usage of the f...
What is “android:allowBackup”?
... 21) , they have a new lint warning that tells me the next thing on the manifest file (in the application tag):
4 Answers
...
Reading Xml with XmlReader in C#
...del instead? I've found that LINQ to XML makes XML work much much easier.
If your document is particularly huge, you can combine XmlReader and LINQ to XML by creating an XElement from an XmlReader for each of your "outer" elements in a streaming manner: this lets you do most of the conversion work ...
What steps should I take to protect my Google Maps API Key?
...es
every one can take a look at those.
Still, it doesn't really matter : if anyone tries to use this key on another domain than yours, they will get a Javascript alert -- which is not nice for ther users.
So :
There is nothing you can do ; this is the way it works
And there is not much you shou...
Print second last column/field in awk
...
This breaks if you try to get the third last field like awk -F '.' '{print $(NF-2)}'
– gies0r
Jun 6 '18 at 8:01
3
...
How can I measure the actual memory usage of an application or process?
... application, only the amount of memory reserved for it
can be misleading if pages are shared, for example by several threads or by using dynamically linked libraries
If you really want to know what amount of memory your application actually uses, you need to run it within a profiler. For example...
How do I use cascade delete with SQL Server?
...raint_object_id
AND t.OBJECT_ID = fc.referenced_object_id
ORDER BY 1
And if you ever find that you can't DROP a particular table due to a Foreign Key constraint, but you can't work out which FK is causing the problem, then you can run this command:
sp_help 'TableName'
The SQL in that article li...
Cloning a MySQL database on the same MySql instance
...p directly into the mysql client:
mysqldump db_name | mysql new_db_name
If you're using MyISAM you could copy the files, but I wouldn't recommend it. It's a bit dodgy.
Integrated from various good other answers
Both mysqldump and mysql commands accept options for setting connection details (an...