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What is the recommended way to delete a large number of items from DynamoDB?
...delete operations; however, the total request size cannot exceed 1 MB (the HTTP payload).
Not an atomic operation — Individual operations specified in a BatchWriteItem are atomic; however BatchWriteItem as a whole is a "best-effort" operation and not an atomic operation. That is, in a BatchWriteIt...
Android ACTION_IMAGE_CAPTURE Intent
...
community wiki
3 revs, 2 users 99%yanokwa
...
How to put multiple statements in one line?
... want is not possible with Python (which makes Python close to useless for command-line one-liner programs). Even explicit use of parentheses does not avoid the syntax exception. You can get away with a sequence of simple statements, separated by semi-colon:
for i in range(10): print "foo"; print "...
How to sum array of numbers in Ruby?
...
array.map(&:to_i).reduce(0, :+)
Some additional relevant reading:
http://ruby-doc.org/core-1.9.3/Enumerable.html#method-i-inject
http://en.wikipedia.org/wiki/MapReduce
http://en.wikipedia.org/wiki/Fold_(higher-order_function)
...
What is the best way to give a C# auto-property an initial value?
...lue. (Even if in designed object, initial value is the default value).
At compile time DefaultValueAttribute will not impact the generated IL and it will not be read to initialize the property to that value (see DefaultValue attribute is not working with my Auto Property).
Example of attributes th...
Is git not case sensitive?
...eUploader: {
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How to read embedded resource text file
...ode
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "MyCompany.MyProduct.MyFile.txt";
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (StreamReader reader = new StreamReader(stream))
{
string result = reader.ReadToEnd();
}
resourceName is the...
Export specific rows from a PostgreSQL table as INSERT SQL script
...
Create a table with the set you want to export and then use the command line utility pg_dump to export to a file:
create table export_table as
select id, name, city
from nyummy.cimory
where city = 'tokyo'
$ pg_dump --table=export_table --data-only --column-inserts my_database > dat...
Argparse optional positional arguments?
...eUploader: {
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Split list into multiple lists with fixed number of elements
...eUploader: {
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