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How can I use redis with Django?
...on module for Redis has a clear usage example in the readme: http://github.com/andymccurdy/redis-py
Redis is designed to be a RAM cache. It supports basic GET and SET of keys plus the storing of collections such as dictionaries. You can cache RDBMS queries by storing their output in Redis. The goa...
Index on multiple columns in Ruby on Rails
...er matters enormously in indexing. Place the where clauses to the left and complete the index with the ordering columns to the right. stackoverflow.com/questions/6098616/dos-and-donts-for-indexes
– Denis de Bernardy
May 29 '11 at 20:36
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Rsync copy directory contents but not directory itself
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Try rsync -av ~/foo/ user@remote.com:/var/www/bar/
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Flask-SQLalchemy update a row's information
...entity that you want to change, change the entity itself. Then, db.session.commit().
For example:
admin = User.query.filter_by(username='admin').first()
admin.email = 'my_new_email@example.com'
db.session.commit()
user = User.query.get(5)
user.name = 'New Name'
db.session.commit()
Flask-SQLAlch...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...skgated
$ codesign -fs gdb-cert "$(which gdb)"
source http://andresabino.com/2015/04/14/codesign-gdb-on-mac-os-x-yosemite-10-10-2/
On macOS 10.12 (Sierra) and later, you must also
Use gdb 7.12.1 or later
Additionally prevent gdb from using a shell to start the program to be debugged. You can use...
How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
The doc http://code.google.com/chrome/devtools/docs/elements.html says it supports XPath or CSS selectors, but when I tried, didn't seem to work for me.
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Adding Http Headers to HttpClient
... = new HttpRequestMessage() {
RequestUri = new Uri("http://www.someURI.com"),
Method = HttpMethod.Get,
};
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("text/plain"));
var task = client.SendAsync(request)
.ContinueWith((taskwithmsg) =>
{
var response = tas...
A TwoWay or OneWayToSource binding cannot work on the read-only property
...NET 4.0 there's a "bug" that OneWayToSource also does a get: stackoverflow.com/questions/14967667/…
– Luuk
May 12 '14 at 10:36
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Assign width to half available screen width declaratively
...ou just intend to use it as a filler. layout_width="0dp" is actually the recommended approach according to Android documentation.
– Muz
Oct 10 '13 at 10:02
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