大约有 45,000 项符合查询结果(耗时:0.0805秒) [XML]
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...splat operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are going to use a constant for the array as above (with EXCEPTIONS), note that you cannot defin...
Import module from subfolder
... What would the syntax be if previously Foo1 was in the parent directory and one coded something like from Foo1 import *. Is there a way to achieve that same effect so you don't have to prefix everything with Foo1?
– jxramos
Apr 12 '17 at 23:41
...
Add a number to each selection in Sublime Text 2, incremented once per selection
...
I recommend the plugin Text Pastry. The Number Sequence command is the one you need.
I prefer to use the Insert Nums command:
Text Pastry has a build in support for the Insert Nums syntax by
providing three numbers separated by one space:
N M P
N: the start index.
...
Convert varchar to uniqueidentifier in SQL Server
...have to agree. The obvious thing is to put the hyphens in the right places and you're ready to go! Sorry!
– Fabio Milheiro
Apr 14 '11 at 18:21
...
SQL Server Output Clause into a scalar variable
...
You need a table variable and it can be this simple.
declare @ID table (ID int)
insert into MyTable2(ID)
output inserted.ID into @ID
values (1)
share
|
...
Scrolling down both parts of a split-window at the same time in Vim
Is it possible to scroll down the left and right parts of a vertically split window in Vim? I have two files I would like to compare roughly. Each line of these files looks almost the same.
...
MySQL convert date string to Unix timestamp
...l certainly have to use both STR_TO_DATE to convert your date to a MySQL standard date format, and UNIX_TIMESTAMP to get the timestamp from it.
Given the format of your date, something like
UNIX_TIMESTAMP(STR_TO_DATE(Sales.SalesDate, '%M %e %Y %h:%i%p'))
Will gives you a valid timestamp. Look ...
Clone contents of a GitHub repository (without the folder itself)
...en I git clone (git@github:me/name.git...) I get a folder called name/ and inside name I have my contents... How do I get JUST the contents?
...
std::shared_ptr of this
...is std::enable_shared_from_this just for this purpose. You inherit from it and you can call .shared_from_this() from inside the class. Also, you are creating circular dependencies here that can lead to resource leaks. That can be resolved with the use of std::weak_ptr. So your code might look like t...
Create JSON object dynamically via JavaScript (Without concate strings)
...pass it to a php script using ajax. My values were stored into two arrays, and i wanted them in json format.
This is a generic example:
valArray1 = [121, 324, 42, 31];
valArray2 = [232, 131, 443];
myJson = {objArray1: {}, objArray2: {}};
for (var k = 1; k < valArray1.length; k++) {
var objNa...