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Network tools that simulate slow network connection [closed]
...e a public internet service on coffee shop wifi: sudo tc qdisc add dev lo root netem delay 500ms
– Sam Stokes
May 12 '10 at 21:21
7
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Best way to load module/class from lib folder in Rails 3?
...odules you want to be autoloadable.
# config.autoload_paths += %W(#{config.root}/extras)
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AWS Difference between a snapshot and AMI
...on't recommend them for beginners. An instance-store AMI is a copy of the root instance-store volume plus some metadata, all saved in an S3 bucket in a special format
EBS boot. This is probably what you are using. An EBS boot AMI is an EBS snapshot of the EBS root volume plus some metadata like t...
AngularJS access scope from outside js function
...ast few months:
$scope.safeApply = function( fn ) {
var phase = this.$root.$$phase;
if(phase == '$apply' || phase == '$digest') {
if(fn) {
fn();
}
} else {
this.$apply(fn);
}
};
The above code basically creates a function called safeApply that c...
Unable to find valid certification path to requested target - error even after cert imported
...) - and the fact that your own identity also has a 'chain' of trust to the root - which is separate from any chain to a root you need to figure out 'who' you trust.
all turn on all debugging
ssl turn on ssl debugging
The following can be used with ssl:
record enab...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
...
app root:
brew update
brew install postgres
gem install pg -- --with-pg-config=/usr/local/Cellar/postgresql/9.3.4/bin/pg_config
bundle install
ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
launchctl load ~/Li...
How do popular apps authenticate user requests from their mobile app to their server?
...t run-time that your mobile app was not tampered with, is not running in a rooted device, not being instrumented by a framework like xPosed or Frida, not being MitM attacked, and this is achieved by running an SDK in the background. The service running in the cloud will challenge the app, and based ...
PostgreSQL error: Fatal: role “username” does not exist
...TE USER username;
eg. CREATE USER demo;
Assign privilege to user
GRANT ROOT TO username;
And then enable login that user, so you can run e.g.: psql template1, from normal $ terminal:
ALTER ROLE username WITH LOGIN;
s...
Select first row in each GROUP BY group?
...mon problem can surprisingly be found in the one of most official sources, MySQL manual! See Examples of Common Queries :: The Rows Holding the Group-wise Maximum of a Certain Column.
List columns with indexes in PostgreSQL
...SQL (pg_indexes):
SELECT * FROM pg_indexes WHERE tablename = 'mytable';
MySQL (SHOW INDEX):
SHOW INDEX FROM mytable;
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