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String, StringBuffer, and StringBuilder
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Mutability Difference:
String is immutable, if you try to alter their values, another object gets created, whereas StringBuffer and StringBuilder are mutable so they can change their values.
Thread-Safety Difference:
The difference between StringBuffer and StringBuilder is that Str...
How do you declare an interface in C++?
...rouble optimizing an empty destructor and you're better off using the default.
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How do I detect whether a Python variable is a function?
...o cover many cases that you would presumably want it to pass, like with builtins:
>>> isinstance(open, types.FunctionType)
False
>>> callable(open)
True
The proper way to check properties of duck-typed objects is to ask them if they quack, not to see if they fit in a duck-sized...
Limit File Search Scope in Sublime Text 2
...look at the source of some library but not get it in my typical search results.
– Parris
Apr 27 '14 at 21:49
7
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Moving Git repository content to another repository preserving history
... new-origin
git push --tags new-origin
Let’s make new-origin the default remote:
git remote rm origin
Rename new-origin to just origin, so that it becomes the default remote:
git remote rename new-origin origin
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Remove textarea inner shadow on Mobile Safari (iPhone)
By default, it seems Mobile Safari adds the top inner shadow to all input fields, including textarea. Is there a way to remove it?
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Visual Studio: How to show Overloads in IntelliSense?
...e. This corresponds to Edit.ParameterInfo, in case you've changed the default.
Example:
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Get local IP address in node.js
...Interfaces } = require('os');
const nets = networkInterfaces();
const results = Object.create(null); // or just '{}', an empty object
for (const name of Object.keys(nets)) {
for (const net of nets[name]) {
// skip over non-ipv4 and internal (i.e. 127.0.0.1) addresses
if (net.fa...
Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
...\MSSQL\Bin, check your installs for the actual folder path) and port (default is 1433)
Check your connection string as well
From FIX : ERROR : Could not open a connection to SQL Server:
Check if your SQL server services is up and running properly:
Go to All Programs > Microsof...
Create an array with random values
...shuffles a list of unique numbers (no repeats, ever).
for (var a=[],i=0;i<40;++i) a[i]=i;
// http://stackoverflow.com/questions/962802#962890
function shuffle(array) {
var tmp, current, top = array.length;
if(top) while(--top) {
current = Math.floor(Math.random() * (top + 1));
tmp =...