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How to design a database for User Defined Fields?
...clarative
referential
integrity is rarely out-performed by
trigger-based or application level
constraint enforcement.
Cons:
This could create a lot of tables.
Enforcing schema separation and/or a
naming convention would alleviate
this.
There is more application code
needed to operate...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
...alled as a function will parse the string with a grammar and is limited to base 10 and base 16.
StringNumericLiteral :::
StrWhiteSpaceopt
StrWhiteSpaceopt StrNumericLiteral StrWhiteSpaceopt
StrWhiteSpace :::
StrWhiteSpaceChar StrWhiteSpaceopt
StrWhiteSpaceChar :::
WhiteSpace
...
java: ArrayList - how can i check if an index exists?
... That should be "greater or equal to the size()" since it is a zero-based index.
– McDowell
Jan 25 '10 at 11:18
1
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Redis: Show database size/size for keys
...eing growing very large and I'd like to find out which of the multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that give me more information whe...
How to export and import a .sql file from command line with options? [duplicate]
...command to import sql data file:
$ mysql -u username -p -h localhost DATA-BASE-NAME < data.sql
In this example, import 'data.sql' file into 'blog' database using vivek as username:
$ mysql -u vivek -p -h localhost blog < data.sql
If you have a dedicated database server, replace localhost...
When should I use RequestFactory vs GWT-RPC?
...ic, non-GWT-compatible, code inside your class. Because the RPC system is based on having the same concrete type on both the client and the server, you can hit a complexity wall based on the capabilities of your GWT client.
To get around the use of incompatible code, many users wind up creating a ...
How do I move to end of line in Vim?
...re-pending the up and down commands with g make vim move the cursor screen-based, rather than line-based. I.e. gj and gk allow you to move up and down on a long line. Really useful.
– Druckles
Apr 11 '12 at 17:29
...
JavaScript file upload size validation
...ns) can be circumvented". This is just as true for "native"/"compiled" database frontend applications. And don't put the database access passwords in your compiled code, not even "encrypted" (with a password that is in the code too - just saw this recently).
– masterxilo
...
How to remove application from app listings on Android Developer Console
...
In late May 2018, you may begin to see changes in
your app's metrics based on your users' deletion of data. Some metrics
are calculated based on data from users who have agreed to share their
data with developers in aggregate.
The metrics that we provide in the Play Console are adjust...
When to use , tag files, composite components and/or custom components?
...hnically, the performance concern is negligible. The choice should be made based on the concrete functional requirements and the final degree of abstraction, reusability and maintainability of the implementation. Each approach has its own well definied purpose and limitations.
Composite components d...