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What is a proper naming convention for MySQL FKs?
... foreign key constraint name by running a query:
use information_schema;
select TABLE_NAME,COLUMN_NAME,CONSTRAINT_NAME, REFERENCED_TABLE_NAME,REFERENCED_COLUMN_NAME from KEY_COLUMN_USAGE where REFERENCED_TABLE_SCHEMA = 'your_db_schema_name' ORDER BY TABLE_NAME;
For example you might receive the ...
vim, switching between files rapidly using vanilla Vim (no plugins)
...gh all the files starting with 'foo' in the directory tree under ./src and select the one you want to edit.
If you have already edited the file and it is still in a buffer then you can switch to it with:
:b foo<tab>
which will cycle through all the buffers with 'foo' in the path.
You may n...
Should I use pt or px?
...he terms "uppercase" and "lowercase" which historically had to do with the selection of the fixed typographical characters where the "captital" characters where placed in a box (case) above the non-captitalized characters which were place in a box below, and thus the "lower" case.
There were differ...
Spinlock versus Semaphore
...perly designed that way (probably a queue of pending operations, and here, selecting the next one, leaving the actual on the queue).
– Hibou57
Jul 30 '13 at 1:11
...
Is there more to an interface than having the correct methods
...
How did this get selected as the answer? It's a brief description of why polymorphism is useful, but as the poster above said, I would expect a better explanation of multiple interfaces and even more importantly when it is appropriate to use ...
Null vs. False vs. 0 in PHP
...mpatibility). Despite the design wishing some consistency (outlined in the selected answer here), it all get confusing when you consider method returns that use false/null in not-so-easy to reason ways.
You will often see null being used when they are already using false for something. e.g. filter_i...
how to provide a swap function for my class?
...declared in the same namespace as the type for which they are provided get selected through argument-dependent lookup over this generic version.
But note that directly using the std::swap function for a user-defined class calls the generic version of std::swap instead of the user-defined swap:
my...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...ect() throws IOException {
boolean success = false;
while (selectSocket()) {
adapter.cancelDiscovery();
try {
bluetoothSocket.connect();
success = true;
break;
} catch (IOException e) {
...
What are the implications of using “!important” in CSS? [duplicate]
...ork when the browser decides how CSS affects the page. The more specific a selector is, the more importance is added to it. This usually coincides with how often the selected element occurs. For example:
button {
color: black;
}
button.highlight {
color: blue;
font-size: 1.5em;
}
b...
Does “git fetch --tags” include “git fetch”?
...ly fetches tags on tracked branches. We have a script that allows users to select a working branch, so by default there are many branches that are not currently tracked by an individual.
– davidA
Jul 30 '09 at 22:46
...