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How to call a shell script from python code?
... Note: it's preferable to pass subprocess.call() a list rather than a string (see command to Hugo24 below for the example and reasons).
– Jim Dennis
Sep 23 '10 at 11:30
1
...
Polymorphism vs Overriding vs Overloading
...can tell an entire room full of Humans to go pee.
public static void main(String[] args){
ArrayList<Human> group = new ArrayList<Human>();
group.add(new Male());
group.add(new Female());
// ... add more...
// tell the class to take a pee break
for (Human person ...
Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...you had a relational table (STUDENT) with two columns and ID(int) and NAME(String). Now as ORM you would've made an entity class somewhat like as follows:-
package com.kashyap.default;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.pers...
MVC 5 Access Claims Identity User Data
...something like this:
public static class UserExtended
{
public static string GetFullName(this IPrincipal user)
{
var claim = ((ClaimsIdentity)user.Identity).FindFirst(ClaimTypes.Name);
return claim == null ? null : claim.Value;
}
public static string GetAddress(this ...
How to turn on front flash light programmatically in Android?
... android:protectionLevel="normal"
android:label="@string/permlab_flashlight"
android:description="@string/permdesc_flashlight" />
Then make use of Camera and set Camera.Parameters. The main parameter used here is FLASH_MODE_TORCH.
eg.
Code Snippet to tur...
Is there a way to get version from package.json in nodejs code?
...Be careful not to expose your package.json to the client, as it means that all your dependency version numbers, build and test commands and more are sent to the client.
If you're building server and client in the same project, you expose your server-side version numbers too.
Such specific data c...
Configure Microsoft.AspNet.Identity to allow email address as username
...
The C# version of this (in App_Code\IdentityModels.cs) is
public UserManager()
: base(new UserStore<ApplicationUser>(new ApplicationDbContext()))
{
UserValidator = new UserValidator<ApplicationUser>(this) { AllowOnlyAlphan...
How to convert lazy sequence to non-lazy in Clojure
...y-seq)) is not so nice in situations like the following: (vec (json/parse-string "{\"foo\":\"bar\"}")) ;; => [["foo" "bar"]] Since cheshire chooses to produce a lazy-seq from (json/parse-string)
– codeasone
Feb 7 '18 at 16:06
...
How to sort a collection by date in MongoDB?
...
@SamBrightman That function is just a callback. Whatever you want to do with the query result, you put that logic inside your callback. You can read more on what callbacks are and how they work to learn event based programming.
– Sushant Gupt...
Getting the array length of a 2D array in Java
...
Consider
public static void main(String[] args) {
int[][] foo = new int[][] {
new int[] { 1, 2, 3 },
new int[] { 1, 2, 3, 4},
};
System.out.println(foo.length); //2
System.out.println(foo[0].length); //3
System.out.print...