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Understanding repr( ) function in Python
repr() : evaluatable string representation of an object (can "eval()"
it, meaning it is a string representation that evaluates to a Python
object)
...
#pragma once vs include guards? [duplicate]
...inks, network filesystems, and even name collision --try with a file named string.h or something like that--). Not taking into account speed, you could have a script that substituted any, say, %INCLUDE_GUARD% in a file for an automatically-managed guard symbol; you would write headers as header.hpp....
What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
...iving a value like *.c does not entail any expansion. It is only when this string is used by a command that it will maybe trigger some globbing. Similarly, a value like $(wildcard *.c) or $(shell ls *.c) does not entail any expansion and is completely evaluated at definition time even if we used := ...
How do I install from a local cache with pip?
...
pip wheel is an excellent option that does what you want with the extra feature of pre-compiling the packages. From the official docs:
Build wheels for a requirement (and all its dependencies):
$ pip wheel --wheel-dir=/tmp/wheelhouse SomePackage
Now your /tmp/wheelhouse directory...
Equals(=) vs. LIKE
... these operators!
= is a comparison operator that operates on numbers and strings. When comparing strings, the comparison operator compares whole strings.
LIKE is a string operator that compares character by character.
To complicate matters, both operators use a collation which can have important...
HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS
... which will follow the redirects.
URL resourceUrl, base, next;
Map<String, Integer> visited;
HttpURLConnection conn;
String location;
int times;
...
visited = new HashMap<>();
while (true)
{
times = visited.compute(url, (key, count) -> count == null ? 1 : cou...
Table Naming Dilemma: Singular vs. Plural Names [closed]
...ers WHERE Customers.CustomerID = 100
You have saved 3 letters, 3 bytes, 3 extra keyboard hits :)
And finally, you can name those ones messing up with reserved names like:
User > LoginUser, AppUser, SystemUser, CMSUser,...
Or use the infamous square brackets [User]
...
How to get current timestamp in string format in Java? “yyyy.MM.dd.HH.mm.ss”
How to get timestamp in string format in Java? "yyyy.MM.dd.HH.mm.ss"
7 Answers
7
...
Get local IP address
...
To get local Ip Address:
public static string GetLocalIPAddress()
{
var host = Dns.GetHostEntry(Dns.GetHostName());
foreach (var ip in host.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
return ip.ToStr...
Calling remove in foreach loop in Java [duplicate]
...while iterating over it you should use an Iterator.
For example:
List<String> names = ....
Iterator<String> i = names.iterator();
while (i.hasNext()) {
String s = i.next(); // must be called before you can call i.remove()
// Do something
i.remove();
}
From the Java Documenta...