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I forgot the password I entered during postgres installation
...rd, a failed login with PEER authentication and a successful login using a TCP connection.
# sudo -u postgres psql
could not change directory to "/root"
psql (9.1.11)
Type "help" for help.
postgres=# \password
Enter new password:
Enter it again:
postgres=# \q
Failing:
# psql -U postgres -W
Pass...
How to validate an OAuth 2.0 access token for a resource server?
...s on the AS's token format/strategy - some tokens are self-contained (like JSON Web Tokens) while others may be similar to a session cookie in that they just reference information held server side back at the AS.
There has been some discussion in the OAuth Working Group about creating a standard wa...
How to list npm user-installed packages?
...tion packages.
npm ls --only=dev
npm ls --only=prod
To show the info in json format
npm ls --json=true
The default is false
npm ls --json=false
You can insist on long format to show extended information.
npm ls --long=true
You can show parseable output instead of tree view.
npm ls --par...
Non-Singleton Services in AngularJS
...vice:
.factory( 'widgetService', function ( $http ) {
function Widget( json ) {
angular.extend( this, json );
}
Widget.prototype = {
$save: function () {
// TODO: strip irrelevant fields
var scrubbedObject = //...
return $http.put( '/widgets/'+this.id, scrubbedObje...
Hashing a dictionary?
...tems()))
This is much less computationally intensive than generating the JSON string or representation of the dictionary.
UPDATE: Please see the comments below, why this approach might not produce a stable result.
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An existing connection was forcibly closed by the remote host
...lly means that the remote side closed the connection (usually by sending a TCP/IP RST packet). If you're working with a third-party application, the likely causes are:
You are sending malformed data to the application (which could include sending an HTTPS request to an HTTP server)
The network lin...
Is it possible to override JavaScript's toString() function to provide meaningful output for debuggi
... to get debuggable output in browser JS is to just serialize the object to JSON. So you could make a call like
console.log ("Blah: " + JSON.stringify(object));
So for an example, alert("Blah! " + JSON.stringify({key: "value"})); produces an alert with the text Blah! {"key":"value"}
...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，概念性的东西我就不再赘述了，说点与众不同的：虽然使用了缓存，但出于个性化的考虑，正常情况下缓存都是被穿透的，只有在出现异常情况的时候才查询，架构图如下：
Degradation
实现的关键点在于通过error_page处理异...
How can I determine installed SQL Server instances and their versions?
...is...
At command line:
svrnetcn
In the enabled protocols list, select 'TCP/IP', then click properties. There is a check box for 'Hide server'.
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Script to get the HTTP status code of a list of urls?
...ill notice that this uses one curl process per URL, which imposes fork and TCP connection penalties. It would be faster if multiple URLs were combined in a single curl, but there isn't space to write out the monsterous repetition of options that curl requires to do this.)
...