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Postgres - FATAL: database files are incompatible with server
...om bottle on 2018-11-04 at 15:13:13
$ brew switch postgresql 9.6.3
$ brew services stop postgresql
$ brew services start postgresql
Otherwise, consider this brew command to migrate existing data: brew postgresql-upgrade-database. Check out the source code.
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Can Retrofit with OKHttp use cache data when offline
... .addConverterFactory(GsonConverterFactory.create())
.build();
service = retrofit.create(RestDataResource.class);
...
private OkHttpClient createCachedClient(final Context context) {
File httpCacheDirectory = new File(context.getCacheDir(), "cache_file");
Cache cache = new Ca...
How to urlencode a querystring in Python?
...he urllib.urlencode does not always do the trick. The problem is that some services care about the order of arguments, which gets lost when you create the dictionary. For such cases, urllib.quote_plus is better, as Ricky suggested."
– Blairg23
Aug 17 '15 at 21:...
How to detect if a stored procedure already exists
...nted systems don't rely on user privilege to touch a database, that's what service accounts are for, and service level security should be applicable database-wide, this way DBAs don't have to spend time and money tweaking security on individual sprocs.
– Shaun Wilson
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The constant cannot be marked static
...ny time. For example, don’t use a constant field to store the price of a service, a product version number, or the brand name of a company. These values can change over time, and because compilers propagate constants, other code compiled with your libraries will have to be recompiled to see the ch...
How to create relationships in MySQL
...'re doing with the database tables. Just remember to STOP Apache and mySQL services when finished - these can open up ports which can expose you to hacking/malicious threats.
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Set element focus in angular way
...a new scope, e.g. ng-repeat. A better solution would be to simply create a service function that enables you to focus elements imperatively within your controllers or to focus elements declaratively in the html.
DEMO
JAVASCRIPT
Service
.factory('focus', function($timeout, $window) {
return ...
Spring: Why do we autowire the interface and not the implemented class?
...this are described here Why always have single implementaion interfaces in service and dao layers?
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How to comment a block in Eclipse?
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I have Eclipse IDE for Java Developers Version: Juno Service Release 2 and it is -
Every line prepended with //
ctrl + / for both comment and uncomment .
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
... do as below (Using Linux Terminal):
sudo a2enmod rewrite && sudo service apache2 restart
or
sudo a2enmod rewrite && sudo /etc/init.d/apache2 restart
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