大约有 41,000 项符合查询结果（耗时：0.0582秒） [XML]
How do I check if a SQL Server text column is empty?
I am using SQL Server 2005. I have a table with a text column and I have many rows in the table where the value of this column is not null, but it is empty. Trying to compare against '' yields this response:
...
How to check if an object is nullable?
How do I check if a given object is nullable in other words how to implement the following method...
14 Answers
...
What is the difference between YAML and JSON?
What are the differences between YAML and JSON, specifically considering the following things?
13 Answers
...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
I am trying to setup my machine with pecl_http and memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environ...
New self vs. new static
I am converting a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results?
...
Get element inside element by class and ID - JavaScript
Alright, I've dabbled in JavaScript before, but the most useful thing I've written is a CSS style-switcher. So I'm somewhat new to this. Let's say I have HTML code like this:
...
Notepad++ add to every line
I'm using Notepad++ and I can't figure this out :
13 Answers
13
...
Alphabet range in Python
Instead of making a list of alphabet characters like this:
7 Answers
7
...
Integrating the ZXing library directly into my Android application
I'm writing this in mere desperation :) I've been assigned to make a standalone barcode scanner (as a proof of concept) to an Android 1.6 phone.
...
Finding differences between elements of a list
Given a list of numbers, how does one find differences between every ( i )-th elements and its ( i+1 )-th?
10 Answers
...