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What are the key differences between Meteor, Ember.js and Backbone.js? [closed]
...list for a while. Now that Meteor is out, I am just wondering if anyone with experience of Meteor, Ember.js and Backbone.js can summarize the key differences and pros and cons of these three JavaScript frameworks for a person without any experience for any of them.
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Bulk insert with SQLAlchemy ORM
...emy introduced that in version 1.0.0:
Bulk operations - SQLAlchemy docs
With these operations, you can now do bulk inserts or updates!
For instance, you can do:
s = Session()
objects = [
User(name="u1"),
User(name="u2"),
User(name="u3")
]
s.bulk_save_objects(objects)
s.commit()
Her...
What are the uses for Cross Join?
...table that contains a row for every minute in the day, and you want to use it to verify that a procedure has executed each minute, so you might cross three tables:
select
hour,
minute
from
hours CROSS JOIN minutes
Or you have a set of standard report specs that you want to apply to ev...
Split output of command by columns using Bash?
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Will not work if you happen to have a process with PID that contains the PID you are interested in as a subtring.
– David Grayson
Nov 4 '12 at 19:58
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Detect changed input text box
... detect when someone changes the content of a text box but for some reason it's not working... I get no console errors. When I set a breakpoint in the browser at the change() function it never hits it.
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how to break the _.each function in underscore.js
I'm looking for a way to stop iterations of underscore.js _.each() method, but can't find the solution. jQuery .each() can break if you do return false .
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Unicode (UTF-8) reading and writing to files in Python
I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
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Convert PDF to image with high resolution
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It appears that the following works:
convert \
-verbose \
-density 150 \
-trim \
test.pdf \
-quality 100 \
-flatten \
-sharpen 0x1.0 \
24-18.jpg
It results...
“Cannot evaluate expression because the code of the current method is optimized” in Visual Studio 20
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While the project was in debug mode, the solution was not. When I changed it, it worked.
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Is it possible to read the value of a annotation in java?
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edited Oct 24 '18 at 11:36
arjuncc
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