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What does git rev-parse do?
...1.
There are other use cases as well (in scripts and other tools built on top of git) that I've used for:
--verify to verify that the specified object is a valid git object.
--git-dir for displaying the abs/relative path of the the .git directory.
Checking if you're currently within a repository ...
How can I propagate exceptions between threads?
...u're looking for: it can automagically trap exceptions that make it to the top of the worker thread, and pass them through to the parent thread at the point that std::future::get is called. (Behind the scenes, this happens exactly as in @AnthonyWilliams' answer; it's just been implemented for you al...
Python Process Pool non-daemonic?
... The important parts are the two classes NoDaemonProcess and MyPool at the top and to call pool.close() and pool.join() on your MyPool instance at the end.
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import multiprocessing
# We must import this explicitly, it is not imported by the top-level
# m...
What is the best way to implement constants in Java? [closed]
...bclasses, declare them as either protected or public and place them on the top class in the hierarchy. This way, the subclasses can access these constant values (and if other classes access them via public, the constants aren't only valid to a particular class...which means that the external classe...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
...is an Nvarchar
This query fails to match Exact Value That Exists.
SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = 'ESKİ'
// 0 result
using prefix N'' fixes it
SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = N'ESKİ'
// 1 result - found!!!!
Why? Because latin1_general doesn't have big dotted...
SQL JOIN and different types of JOINs
...e other way round and start with cross join and then "build" inner join on top of it. After all, the mere concept of cross join invalidates these informal and inaccurate Venn diagram visualisations...
– Lukas Eder
Apr 21 '17 at 17:25
...
Is functional GUI programming possible? [closed]
...apjax-lang.org/ is an implementation of functional reactive programming on top of JavaScript.
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How can I use Google's Roboto font on a website?
...
Go to Google's Web Fonts page
search for Roboto in the search box at the top right
Select the variants of the font you want to use
click 'Select This Font' at the top and choose the weights and character sets you need.
The page will give you a <link> element to include in your pages, and a...
std::unique_ptr with an incomplete type won't compile
... declaration;
- in a TU that knows the full definition of `T`, at top level invoke the
macro `CZU_DEFINE_OPAQUE_DELETER`; it will define the custom deleter used
by `czu::unique_opaque<T>`
*/
namespace czu {
template<typename T>
struct opaque_deleter {
void opera...
What to learn for making Java web applications in Java EE 6? [closed]
...s frameworks which make things truly great, for example Wicket is built on top of the concept of Front Controller which in Java world means Servlets and Filters - if you don't know how those work, you won't really understand what Wicket is doing either! Unless you accept "magic!" as answer, of cours...