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Hash collision in git
...f? Well the Moon is made up of about 1047 atoms. So if we have 10 Moons... and you randomly pick one atom on one of these moons... and then go ahead and pick a random atom on them again... then the likelihood that you'll pick the same atom twice, is the likelihood that two given git commits will hav...
using gitlab token to clone without authentication
...nder why on gitlab.com on project details they don't give the complete command syntax :-((
– FRa
Feb 28 '18 at 17:16
W...
How to get mouse position in jQuery without mouse-events?
...ve there's a way to query the mouse position, but you can use a mousemove handler that just stores the information away, so you can query the stored information.
jQuery(function($) {
var currentMousePos = { x: -1, y: -1 };
$(document).mousemove(function(event) {
currentMousePos.x = ...
MySQL: Transactions vs Locking Tables
... confused with transactions vs locking tables to ensure database integrity and make sure a SELECT and UPDATE remain in sync and no other connection interferes with it. I need to:
...
Where in memory are my variables stored in C?
...sidering that the memory is divided into four segments: data, heap, stack, and code, where do global variables, static variables, constant data types, local variables (defined and declared in functions), variables (in main function), pointers, and dynamically allocated space (using malloc and calloc...
Non-recursive depth first search algorithm
...ry of the two is quite cool.
Update: As pointed out, take_first() removes and returns the first element in the list.
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Favorite (G)Vim plugins/scripts? [closed]
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Nerdtree
The NERD tree allows you to explore your filesystem and to open files and
directories. It presents the filesystem to you in the form of a tree which you
manipulate with the keyboard and/or mouse. It also allows you to perform
simple filesystem operations.
The tree can be tog...
What is the difference between @PathParam and @QueryParam
...ful jersey. I would like to ask what is the different between @PathParam and @QueryParam in jersey?
4 Answers
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SQL中使用update inner join和delete inner join；Oracle delete join替代...
...d = mw2.wid
SET mw1.level = mw2.level
WHERE mw2.baseid = 107
AND mw2.parentid = 0
AND mw2.size > 1;
on是表连接的筛选条件
就是说，表连接后，会产生一个类似于临时的视图这么一个东西
where是从这个临时的视图中筛选数据的
所...
Add shadow to custom shape on Android
Is it possible to add a drop shadow to a custom shape in Android? After looking through the documentation, I only see a way to apply a text shadow.
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