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What is the difference between a static and a non-static initialization code block
... the time it is used when doing database connection, API init, Logging and etc.
Don't just bark! where is example?
package com.example.learnjava;
import java.util.ArrayList;
public class Fruit {
static {
System.out.println("Inside Static Initializer.");
// fruits array
...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...3. So my production code looks like:
$i=11263;
while($i>08448){
...etc...
You can look up the blocks of Unicode by type here:
http://unicode-table.com/en/
If you know you're translating Arabic or Telegu or whatever, you can just replace those codes, not all 65,000.
You could apply this s...
git push fails: RPC failed; result=22, HTTP code = 411
... If you are using gitlab, you may need to change your nginx config too (/etc/nginx/sites-available/gitlab). More info: github.com/gitlabhq/gitlabhq/issues/3099
– DanielB
Dec 12 '13 at 3:54
...
Download and open PDF file using Ajax
...ode is able to download a file using a JQuery Ajax request (GET, POST, PUT etc). It, also, helps to upload parameters as JSON and to change the content type to application/json (my default).
The html source:
<form method="POST">
<input type="text" name="startDate"/>
<input...
List Git aliases
...r current user) with --system (for all users). This typically goes in the /etc/gitconfig file.
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Difference between single and double quotes in Bash
... double quotes will. For example: variables, backticks, certain \ escapes, etc.
Example:
$ echo "$(echo "upg")"
upg
$ echo '$(echo "upg")'
$(echo "upg")
The Bash manual has this to say:
3.1.2.2 Single Quotes
Enclosing characters in single quotes (') preserves the literal value of each ...
Difference between Select Unique and Select Distinct
...ield will contain unique data, usually used for natural keys, foreign keys etc.
For example:
Create Table Employee(
Emp_PKey Int Identity(1, 1) Constraint PK_Employee_Emp_PKey Primary Key,
Emp_SSN Numeric Not Null Unique,
Emp_FName varchar(16),
Emp_LName varchar(16)
)
...
Best practice to return errors in ASP.NET Web API
...m back as most exceptions are usually due to incorrect parameters or calls etc.
An example in my app is that sometimes the client will ask for data, but there isn't any data available so I throw a custom NoDataAvailableException and let it bubble to the Web API app, where then in my custom filter w...
How can I see the specific value of the sql_mode?
...E,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER and etc are not set? Or do you mean that some of them are set but simply not shown by default?
– Pacerier
Apr 22 '16 at 3:44
...
What is the !! (not not) operator in JavaScript?
...
Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
Real World Example "Test I...