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How to detect online/offline event cross-browser?
...r agent will
not contact the network when the user
follows links or when a script
requests a remote page (or knows that
such an attempt would fail), and must
return true otherwise.
Finally, the spec notes:
This attribute is inherently
unreliable. A computer can be
connected to a network without ha...
Disable all table constraints in Oracle
...
It's not a single command, but here's how I do it. The following script has been designed to run in SQL*Plus. Note, I've purposely written this to only work within the current schema.
set heading off
spool drop_constraints.out
select
'alter table ' ||
owner || '.' ||
table...
Execute stored procedure with an Output parameter?
... Another slightly different way using SSMS: right-click the SP, click "Script Stored Procedure as", then click "EXECUTE To". This will show you the TSQL.
– John Gilmer
Dec 17 '19 at 6:15
...
{version} wildcard in MVC4 Bundle
...
This bundle is able to accomodate version numbers in script names. So updating jQuery to a new version in your application (via NuGet or manually) doesn't require any code / markup changes.
See the following link for more information on bundling: http://weblogs.asp.net/jgallow...
AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
...lly" until this background sync will be complete, instead put a small bash script to run and retry your needed bucket creation every 5 seconds or so.
Example:
#!/bin/bash
RESULT=2
until [ $RESULT -eq 0 ]; do
aws s3 mb s3://your.bucket.name --region us-west-2
RESULT=$?
sleep 5
done ...
iPhone Simulator - Simulate a slow connection?
... loss, higher latencies and more dropped connections too.
Here is a handy script to configure the firewall to emulate these parameters:
http://pmilosev-notes.blogspot.com/2011/02/ios-simulator-testing-over-different.html
s...
Git error when trying to push — pre-receive hook declined
... rejected by the pre-receive hook of that repo (that's a user-configurable script that is intended to analyze incoming commits and decide if they are good enough to be accepted into the repo).
It is also a good idea to ask that person to update the hook, so it would print the reasons for the rejec...
Separate REST JSON API server and client? [closed]
... who are ready to cope w/ the reality of a site experience that is 70% javascript and what that means.
I do think this is the future of all web-apps.
Some thoughts for the web front end folks (which is where all the new-ness/challenge is given this architecture):
CoffeeScript. Much easier to pr...
Convert pem key to ssh-rsa format
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No need for scripts or other 'tricks': openssl and ssh-keygen are enough. I'm assuming no password for the keys (which is bad).
Generate an RSA pair
All the following methods give an RSA key pair in the same format
With openssl (man ...
Better way to check variable for null or empty string?
...sses and fall back to it. It sounds far more work that hacking a quick PHP script (and it is the first time), but it's reusable, flexible, and much less error prone since form validation with usual PHP tends to quickly become spaguetti code.
...