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Actual meaning of 'shell=True' in subprocess
... variables, glob patterns, and other special shell features in the command string are processed before the command is run. Here, in the example, $HOME was processed before the echo command. Actually, this is the case of command with shell expansion while the command ls -l considered as a simple comm...
Default constructor vs. inline field initialization
...and more straight :
public class Foo {
private int x = 5;
private String[] y = new String[10];
}
than the constructor way :
public class Foo{
private int x;
private String[] y;
public Foo(){
x = 5;
y = new String[10];
}
}
In real classes with so real sp...
How do I validate a date string format in python?
I have a python method which accepts a date input as a string .
5 Answers
5
...
C# - Selectively suppress custom Obsolete warnings
...
using System;
class Test
{
[Obsolete("Message")]
static void Foo(string x)
{
}
static void Main(string[] args)
{
#pragma warning disable 0618
// This one is okay
Foo("Good");
#pragma warning restore 0618
// This call is bad
Foo("Bad");
...
How to specify an array of objects as a parameter or return value in JSDoc?
...the following if you have an array of a specific type (such as an array of strings) as:
1 Answer
...
Nullable ToString()
...question, the former solution is suggested while nobody actually notices ToString() already gives the correct answer.
Maybe the argument for the more verbose solution is readability: When you call ToString() on something that is supposed to be null, you usually expect a NullReferenceException, alth...
What is the maximum possible length of a query string?
...r Protocol — HTTP/1.1) states there is no limit to the length of a query string (section 3.2.1). RFC 3986 (Uniform Resource Identifier — URI) also states there is no limit, but indicates the hostname is limited to 255 characters because of DNS limitations (section 2.3.3).
While the specificatio...
What is the difference between mocking and spying when using Mockito?
...e, WithdrawMoneyService withdrawMoneyService,
double amount, String fromAccount, String toAccount){
withdrawMoneyService.withdraw(fromAccount,amount);
depositMoneyService.deposit(toAccount,amount);
}
You may don't need spy because you can just mock DepositMoneyService and Wit...
How to get evaluated attributes inside a custom directive
...ould automatically update the changes of value in digest
// this is always string as dom attributes values are always strings
in: $scope.twoWayBind
out: {name:"Umur"}
// this would automatically update the changes of value in digest
// changes in this will be reflected in parent scope
// in direct...
Is is possible to check if an object is already attached to a data context in Entity Framework?
...ly:
public static void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
where T : IEntityWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
if (
context.ObjectStateManager.TryGetObjec...