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How do you maintain development code and production code? [closed]
...ugs in a separate branch)
the other patch branches will have the luxury to start from a well-defined production label
When it comes to dev branch, you can have one trunk, unless you have other development efforts you need to make in parallel like:
massive refactoring
testing of a new technical l...
Long Press in JavaScript?
... if (longpress) {
return false;
}
alert("press");
};
var start = function(e) {
console.log(e);
if (e.type === "click" && e.button !== 0) {
return;
}
longpress = false;
this.classList.add("longpress");
if (presstimer === null) {
pr...
How to call an external command?
...
Some hints on detaching the child process from the calling one (starting the child process in background).
Suppose you want to start a long task from a CGI script. That is, the child process should live longer than the CGI script execution process.
The classical example from the subproc...
What is “thread local storage” in Python, and why do I need it?
...-1 and Thread-2 accordingly
sleep(1)
foo()
>> T().start(); T().start()
I'm called from Thread-2
I'm called from Thread-1
Here threading.local() is used as a quick and dirty way to pass some data from run() to bar() without changing the interface of foo().
Note that using...
How do I trim leading/trailing whitespace in a standard way?
...endp )
*(endp + 1) = '\0';
/* Shift the string so that it starts at str so that if it's dynamically
* allocated, we can still free it on the returned pointer. Note the reuse
* of endp to mean the front of the string buffer now.
*/
endp = str;
if( frontp != st...
Select every Nth element in CSS
... 4n and 4n + 4 with regards to :nth-child(). If you use the n variable, it starts counting at 0. This is what each selector would match:
:nth-child(4n)
4(0) = 0
4(1) = 4
4(2) = 8
4(3) = 12
4(4) = 16
...
:nth-child(4n+4)
4(0) + 4 = 0 + 4 = 4
4(1) + 4 = 4 + 4 = 8
4(2) + 4 = 8 + 4 = 12
4(3) + 4...
MISCONF Redis is configured to save RDB snapshots
...ess is already 0 and rdb_last_bgsave_status is ok. After that, you can now start backing up the generated rdb file somewhere safe.
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...
Switch statement for string matching in JavaScript
...se (str.match(/^xyz/) || {}).input:
console.log("Matched a string that starts with 'xyz'");
break;
case (str.match(/test/) || {}).input:
console.log("Matched the 'test' substring");
break;
default:
console.log("Didn't match");
break;
}
Another approach is to use...
How to print register values in GDB?
...xample,
info registers eip
If your executable is 64 bit, the registers start with r. Starting them with e is not valid.
info registers rip
Those can be abbreviated to:
i r rip
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impro...
Delete directory with files in it?
...ity: When you call this function with an empty value, it will delete files starting in root (/). As a safeguard you can check if path is empty:
function deleteDir($path) {
if (empty($path)) {
return false;
}
return is_file($path) ?
@unlink($path) :
array...