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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...e time.
We should both increase the default abbrev that was unrealistically small, and add a way for people to set their own default per-project in the git config file.
core.abbrev
Set the length object names are abbreviated to.
If unspecified, many commands abbreviate to 7 hexdigits, ...
Remove leading and trailing spaces?
...e liner into multiple lines. Then it becomes easy:
f.write(re.split("Tech ID:|Name:|Account #:",line)[-1])
parts = re.split("Tech ID:|Name:|Account #:",line)
wanted_part = parts[-1]
wanted_part_stripped = wanted_part.strip()
f.write(wanted_part_stripped)
...
HQL ERROR: Path expected for join
...
select u from UserGroup ug inner join ug.user u
where ug.group_id = :groupId
order by u.lastname
As a named query:
@NamedQuery(
name = "User.findByGroupId",
query =
"SELECT u FROM UserGroup ug " +
"INNER JOIN ug.user u WHERE ug.group_id = :groupId ORDER BY u.lastname"
)
...
Type erasure techniques
...ny data in a shared_ptr<void>, and still have the correct destructor called at the end, because the shared_ptr constructor is a function template, and will use the type of the actual object passed for creating the deleter by default:
{
const shared_ptr<void> sp( new A );
} // calls ...
Hidden features of Ruby
...
From Ruby 1.9 Proc#=== is an alias to Proc#call, which means Proc objects can be used in case statements like so:
def multiple_of(factor)
Proc.new{|product| product.modulo(factor).zero?}
end
case number
when multiple_of(3)
puts "Multiple of 3"
when multipl...
How to get a variable name as a string in PHP?
...(
[0] => $baz
[1] => baz
)
It works based on the line that called the function, where it finds the argument you passed in. I suppose it could be expanded to work with multiple arguments but, like others have said, if you could explain the situation better, another solution would prob...
What is the difference between List and ArrayList? [duplicate]
...en you define your list as:
List myList = new ArrayList();
you can only call methods and reference members that are defined in the List interface.
If you define it as:
ArrayList myList = new ArrayList();
you'll be able to invoke ArrayList-specific methods and use ArrayList-specific members in ...
Error: must call SetScrollSizes() or SetScaleToFitSize()问题的解决 - C...
Error: must call SetScrollSizes() or SetScaleToFitSize()问题的解决我的程序原来是基于CView的，但后来为了支持滚动功能所以按照网上的方法，手动把CView改为CScrollView（一些相应的处理都改了），但是程序...我的程序原来是基于CView的，但...
PHP连接MySQL报错：Fatal error: Call to undefined function mysql_connec...
PHP连接MySQL报错：Fatal error: Call to undefined function mysql_connect()之解决方法【问题描述】PHP测试连接MySQL的程序如下：<?php$host='localhost';$user_name='root';$password='mysql';$conn=m...【问题描述】
PHP测试连接MySQL的程序如下：
<?php
$host='localh...
How do you get a string from a MemoryStream?
...
Dispose is not called when a variable goes out of scope. Finalize will be called when the GC gets around to it, but Dispose is something that must be called before the variable goes out of scope. I don't call it above because I know the imp...