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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...ast fails.
This doesn't happen with 41224d776a326fb40f000001 because that string is a valid ObjectId.
One way to resolve this is to add a check prior to your findById call to see if id is a valid ObjectId or not like so:
if (id.match(/^[0-9a-fA-F]{24}$/)) {
// Yes, it's a valid ObjectId, procee...
How do I compare two string variables in an 'if' statement in Bash? [duplicate]
...
For string equality comparison, use:
if [[ "$s1" == "$s2" ]]
For string does NOT equal comparison, use:
if [[ "$s1" != "$s2" ]]
For the a contains b, use:
if [[ $s1 == *"$s2"* ]]
(and make sure to add spaces between the ...
Show compose SMS view in Android
...
});
}
//Sends an SMS message to another device
private void sendSMS(String phoneNumber, String message) {
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(phoneNumber, null, message, null, null);
}
You can add this line in AndroidManifest.xml
<uses-permission androi...
How can I use UIColorFromRGB in Swift?
...
If you're starting from a string (not hex) this is a function that takes a hex string and returns a UIColor.
(You can enter hex strings with either format: #ffffff or ffffff)
Usage:
var color1 = hexStringToUIColor("#d3d3d3")
Swift 4:
func hexStri...
split string in to 2 based on last occurrence of a separator
...ould like to know if there is any built in function in python to break the string in to 2 parts, based on the last occurrence of a separator.
...
Uses of Action delegate in C# [closed]
...s.Generic;
class Program
{
static void Main()
{
Action<String> print = new Action<String>(Program.Print);
List<String> names = new List<String> { "andrew", "nicole" };
names.ForEach(print);
Console.Read();
}
static void Pri...
Use URI builder in Android or create URL with variables
... .appendQueryParameter("sort", "relevance")
.fragment("section-name");
String myUrl = builder.build().toString();
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how to read all files inside particular folder
...
using System.IO;
...
foreach (string file in Directory.EnumerateFiles(folderPath, "*.xml"))
{
string contents = File.ReadAllText(file);
}
Note the above uses a .NET 4.0 feature; in previous versions replace EnumerateFiles with GetFiles). Also, repla...
How do I compare two DateTime objects in PHP 5.2.8?
...
Beware that format produces a string, so that's a string comparison. It's barely a problem after 1000000000 epoch time (roughly Sep 9th, 2001), but if you have to deal with dates before that, you may incur into problems due to different number lengths. Ei...
What is an idiomatic way of representing enums in Go?
...
A very simple way to create an object that starts to look and feel like a string enum in Python would be:
package main
import (
"fmt"
)
var Colors = newColorRegistry()
func newColorRegistry() *colorRegistry {
return &colorRegistry{
Red: "red",
Green: "green",
...