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range() for floats
...se decimal.Decimal as the jump argument. Make sure to initialize it with a string rather than a float.
>>> import decimal
>>> list(frange(0, 100, decimal.Decimal('0.1')))[-1]
Decimal('99.9')
Or even:
import decimal
def drange(x, y, jump):
while x < y:
yield float(x)
...
Composer install error - requires ext_curl when it's actually enabled
...ample:
> sudo apt-get install php-curl
> sudo apt-get install php-mbstring
for every missing extension. Then:
> sudo apt-get update
and finally (in the project's root folder):
> composer install
share
...
How to construct a WebSocket URI relative to the page URI?
... window.location global and join them back together instead of doing blind string substitution.
var loc = window.location, new_uri;
if (loc.protocol === "https:") {
new_uri = "wss:";
} else {
new_uri = "ws:";
}
new_uri += "//" + loc.host;
new_uri += loc.pathname + "/to/ws";
Note that some...
How can a windows service programmatically restart itself?
...
const string strCmdText = "/C net stop \"SERVICENAME\"&net start \"SERVICENAME\"";
Process.Start("CMD.exe", strCmdText);
where SERVICENAME is the name of your service (double quotes included to account for spaces in the servi...
Algorithm to get the excel-like column name of a number
...is deprecated)
// result = 'A'
\PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex(1);
Note index 0 results in 'Z'
https://phpspreadsheet.readthedocs.io/en/develop/
The correct answer (if you use PHPExcel Library) is:
// result = 'A'
$columnLetter = PHPExcel_Cell::stringFromColu...
Only get hash value using md5sum (without filename)
...e source as stdin). – You must tell bash to capture those words into a string, using Command Substitution: $( command ). – The ( brackets ) produce a bash array with 2 elements. However, you must assign that array construct ( … ) to an variable name; hence, using md5 as the array name: md5=...
Is there a way that I can check if a data attribute exists?
...{
...
}
NOTE this only returns true if the data attribute is not empty string or a "falsey" value e.g. 0 or false.
If you want to check for the existence of the data attribute, even if empty, do this:
if (typeof $("#dataTable").data('timer') !== 'undefined') {
...
}
...
Controller not a function, got undefined, while defining controllers globally
...given name is registered via $controllerProvider
check if evaluating the string on the current scope returns a constructor
if $controllerProvider#allowGlobals, check window[constructor] on the global window object (not recommended)
.....
expression = controllers.hasOwnProperty(constructor...
Running a command in a Grunt Task
...
Note: cmd param should be a string not an array.
– RKI
Oct 27 '15 at 14:19
1
...
Change bundle identifier in Xcode when submitting my first app in IOS
....
Setting the Bundle ID
The default bundle ID in your Xcode project is a string formatted as a reverse-domain—for example, com.MyCompany.MyProductName. To create the default bundle ID, Xcode concatenates the company identifier with the product name you entered when creating the project from a te...