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How do I manage MongoDB connections in a Node.js web application?
...database errors when using the connection anyway, this doesn't lead to any extra inline handling.
– java-addict301
Jun 6 '17 at 0:31
...
Convert generic List/Enumerable to DataTable?
...agnostics;
public class MyData
{
public int A { get; set; }
public string B { get; set; }
public DateTime C { get; set; }
public decimal D { get; set; }
public string E { get; set; }
public int F { get; set; }
}
static class Program
{
static void RunTest(List<MyData&g...
Relative imports in Python 3
...
If the __name__ is '__main__', __name__.rpartition('.')[0] returns empty string. This is why there's empty string literal in the error description:
SystemError: Parent module '' not loaded, cannot perform relative import
The relevant part of the CPython's PyImport_ImportModuleLevelObject functi...
Best way to parse command-line parameters? [closed]
...ln [--min-size num] [--max-size num] filename
"""
def main(args: Array[String]) {
if (args.length == 0) println(usage)
val arglist = args.toList
type OptionMap = Map[Symbol, Any]
def nextOption(map : OptionMap, list: List[String]) : OptionMap = {
def isSwitch(s : String) =...
Passing parameters to JavaScript files
...d a CSP (content security policy). We use a lot of scripts wherein we pass strings determined from language resources and API keys etc. into JS files.
– monkeySeeMonkeyDo
Sep 16 '19 at 14:24
...
Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
... (software development kit) is a library or group of libraries (often with extra tool applications, data files and sample code) that aid you in developing code that uses a particular system (e.g. extension code for using features of an operating system (Windows SDK), drawing 3D graphics via a partic...
When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
4 Answers
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Best way to merge two maps and sum the values of same key?
...hat Int's semigroup operator does), hence 100 + 9. If the values had been Strings, a collision would have resulted in string concatenation of the two mapped values (again, because that's what the semigroup operator for String does).
(And interestingly, because string concatenation is not commutati...
How to remove/ignore :hover css style on touch devices
...rently.
There are two main options that occur to me immediately: (1) user-string checking, or (2) maintaining separate mobile pages using a different URL and having users choose what's better for them.
If you're able to use an internet duct-tape language such as PHP or Ruby, you can check the use...
read complete file without using loop in java
...byte[] data = new byte[(int) file.length()];
fis.read(data);
fis.close();
String str = new String(data, "UTF-8");
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