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jQuery convert line breaks to br (nl2br equivalent)
... if you get the error "x.replace is not a function" then use x.toString().replace
– Vörös Amadea
Aug 15 '19 at 12:18
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What's invokedynamic and how do I use it?
...mple would be something like:
Compiled from "Range.java"
public java.lang.String toString();
descriptor: ()Ljava/lang/String;
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
0: aload_0
1: invokedynamic #18, 0 // InvokeDynamic #0:toString:(LRange;...
How to tell Jackson to ignore a field during serialization if its value is null?
...ion(Include.NON_NULL);
or:
@JsonInclude(Include.NON_NULL)
class Foo
{
String bar;
}
Alternatively, you could use @JsonInclude in a getter so that the attribute would be shown if the value is not null.
A more complete example is available in my answer to How to prevent null values inside a Ma...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...s, so they are defined in such a way that the beginning and the end of the string have working zero-length expressions.
array[4, 0] = :sandwich
array[0, 0] = :crunchy
=> [:crunchy, :peanut, :butter, :and, :jelly, :sandwich]
...
Parallel.ForEach vs Task.Run and Task.WhenAll
...combine both options by writing:
await Task.Run(() => Parallel.ForEach(strings, s =>
{
DoSomething(s);
}));
Note that this can also be written in this shorter form:
await Task.Run(() => Parallel.ForEach(strings, DoSomething));
...
Implementing IDisposable correctly
... User : IDisposable
{
public int id { get; protected set; }
public string name { get; protected set; }
public string pass { get; protected set; }
public User(int userID)
{
id = userID;
}
public User(string Username, string Password)
{
name = Username;...
How can I pass a list as a command-line argument with argparse?
...
What about a list of strings? This turns multiple string arguments ("wassup", "something", and "else")into a list of lists that looks like this: [['w', 'a', 's', 's', 'u', 'p'], ['s', 'o', 'm', 'e', 't', 'h', 'i', 'n', 'g'], ['e', 'l', 's', 'e']]...
What's the difference between Spring Data's MongoTemplate and MongoRepository?
... changes.
Example: given a document like this: { _id: "ID1", field1: "a string", field2: 10.0 } and two different threads concurrently updating it...
With MongoTemplate it would look somewhat like this:
THREAD_001 THREAD_002
| ...
Is it unnecessary to put super() in constructor?
... public Derived(int i) { } }
Also fine.
public class Base { public Base(String s) { } }
public class Derived extends Base { }
The above is a compilation error as Base has no default constructor.
public class Base { private Base() { } }
public class Derived extends Base { }
This is also an er...
SQL Server dynamic PIVOT query?
...
So \@cols must be string-concatenated, right? We can't use sp_executesql and parameter-binding to interpolate \@cols in there? Even though we construct \@cols ourself, what if somehow it contained malicious SQL. Any additional mitigating steps...