大约有 45,000 项符合查询结果（耗时：0.0860秒） [XML]
Why doesn't os.path.join() work in this case?
...
The latter strings shouldn't start with a slash. If they start with a slash, then they're considered an "absolute path" and everything before them is discarded.
Quoting the Python docs for os.path.join:
If a component is an absolute path, all previous comp...
Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
...s I will need to perform some check before creating an object, probably in its constructor. This is all okay until I decide I want to make this check be a part of the business logic. So, how can I arrange for a business object to be creatable only through some method in my business logic class but n...
How to create a temporary directory/folder in Java?
...ava application? There's an entry in Java's issue database , which has a bit of code in the comments, but I wonder if there is a standard solution to be found in one of the usual libraries (Apache Commons etc.) ?
...
How to get Sinatra to auto-reload the file after each change?
...follow
|
edited Feb 12 '14 at 12:19
answered Aug 8 '09 at 10:31
...
What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
...
Pretty-Printing JSON with PHP
...
PHP 5.4 offers the JSON_PRETTY_PRINT option for use with the json_encode() call.
http://php.net/manual/en/function.json-encode.php
<?php
...
$json_string = json_encode($data, JSON_PRETTY_PRINT);
s...
Python strftime - date without leading 0?
...ing Python strftime , is there a way to remove the first 0 of the date if it's before the 10th, ie. so 01 is 1 ? Can't find a % thingy for that?
...
When to use ko.utils.unwrapObservable?
I've written a few custom bindings using KnockoutJS. I'm still unsure when to use ko.utils.unwrapObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout ...
Converting string to byte array in C#
I'm converting something from VB into C#. Having a problem with the syntax of this statement:
16 Answers
...
R: Comment out block of code [duplicate]
... want to comment out several lines of code in R. Is there any way of doing it without having to put a # before each line - sort of like /* blocked out code */ in SAS?
...