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What is a proper naming convention for MySQL FKs?
...rom KEY_COLUMN_USAGE where REFERENCED_TABLE_SCHEMA = 'your_db_schema_name' ORDER BY TABLE_NAME;
For example you might receive the following from the query:
+------------+-------------+-----------------+-----------------------+------------------------+
| TABLE_NAME | COLUMN_NAME | CONSTRAINT_NAME ...
Getting the names of all files in a directory with PHP
...this */
$hideName = array('.','..','.DS_Store');
// Sort in ascending order - this is default
$files = scandir($dir);
/* While this to there no more files are */
foreach($files as $filename) {
if(!in_array($filename, $hideName)){
/* echo the name of the files */
echo "$filenam...
Change / Add syntax highlighting for a language in Sublime 2/3
...nstead, I edited the Monokai.tmTheme as per this SublimeText forum post in order to get JSON syntax highlighting to work.
– jmort253
Apr 12 '14 at 23:17
1
...
How exactly does tail recursion work?
...ence?
Tail Call optimization
Since no state is being stored on the Non-Border-Cases of the Tail Call stacks, they aren't so important. Some languages/interpreters then substitute the old stack with the new one. So, with no stack frames constraining the number of calls, the Tail Calls behave just ...
How to wrap async function calls into a sync function in Node.js or Javascript?
...e I find the need to encapsulate an async function into a sync function in order to avoid massive global re-factoring.
You cannot. It is impossible to make asynchronous code synchronous. You will need to anticipate that in your global code, and write it in async style from the beginning. Whether y...
What is the entry point of swift code execution?
...urce code. The
“main.swift” file can contain top-level code, and the order-dependent
rules apply as well. In effect, the first line of code to run in
“main.swift” is implicitly defined as the main entrypoint for the
program. This allows the minimal Swift program to be a single line ...
Fast way of counting non-zero bits in positive integer
...thm of the argument (i.e. linearly with the bit-size of the argument).
In order to understand how this works imagine that you divide the entire 64-bit string into 64 1-bit buckets. Each bucket's value is equal to the number of bits set in the bucket (0 if no bits are set and 1 if one bit is set). T...
How do I avoid capturing self in blocks when implementing an API?
...rence to the block; meanwhile the block must retain a reference to self in order to fetch its delegate property and send the delegate a method. If everything else in your app releases its reference to this object, its retain count won't be zero (because the block is pointing to it) and the block isn...
Python Logging (function name, file name, line number) using a single file
...all calls to a single log file or other output target: they will be in the order they occurred in the process.
Next up: (2). locals() provides a dict of the current scope. Thus, in a method that has no other arguments, you have self in scope, which contains a reference to the current instance. The ...
Recursion in Angular directives
...ctive('hRecursive', hRecursiveDirective)
/* Demo CSS */
* { box-sizing: border-box }
html { line-height: 1.4em }
.task h4, .task h5 { margin: 0 }
.task { background-color: white }
.task.collapse {
max-height: 1.4em;
overflow: hidden;
}
.task.collapse h4::after {
content: '...