大约有 21,000 项符合查询结果（耗时：0.0244秒） [XML]
SQLAlchemy: Creating vs. Reusing a Session
...talk to your DB. For me that means the second I would do my first session.add(x) or something similar, I would first do
2...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...ex.php/faq/whatever . I need a reliable way for a script to know what it's address is, so it will know what to do with the navigation. I've used mod_rewrite , as per CodeIgniter documentation.
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Why use argparse rather than optparse?
...on 2.7 documentation includes yet another command-line parsing module. In addition to getopt and optparse we now have argparse .
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What is the difference between Amazon SNS and Amazon SQS?
...NS send messages to email, sms or http end point apart from SQS. There are advantages to coupling SNS with SQS. You may not want an external service to make connections to your hosts (firewall may block all incoming connections to your host from outside). Your end point may just die because of heavy...
Why are unsigned int's not CLS compliant?
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Not all languages have the concept of unsigned ints. For example VB 6 had no concept of unsigned ints which I suspect drove the decision of the designers of VB7/7.1 not to implement as well (it's implemented now in VB8).
To quote:
http://msdn.microsoft.com/en-us/library/12a7a7h3.aspx
The CLS wa...
Performance of Arrays vs. Lists
...mple and use List<T> etc.
Of course, this only applies if you are reading all of the data; a dictionary would be quicker for key-based lookups.
Here's my results using "int" (the second number is a checksum to verify they all did the same work):
(edited to fix bug)
List/for: 1971ms (589725...
How to use Greek symbols in ggplot2?
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joran
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answered Mar 14 '11 at 2:44
RamnathRamnath
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When to use a key/value store such as Redis instead/along side of a SQL database?
I have read great things about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application.
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Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
...y protection from the creation of the message to it's consumption. So instead of ensuring that the content of the communications can only be read by the right server it ensures that it can only be read by the right process on the server. Instead of assuming that all the communications in the securel...
How are parameters sent in an HTTP POST request?
... query string:
parameter=value&also=another
When you use a file upload in the form, you use the multipart/form-data encoding instead, which has a different format. It's more complicated, but you usually don't need to care what it looks like, so I won't show an example, but it can be good to k...