大约有 15,000 项符合查询结果（耗时：0.0262秒） [XML]
curl -GET and -X GET
...t confuse matters with either. It is the long form of -G, which is used to convert data specified with -d into a GET request instead of a POST.
(I subsequently used my own answer here to populate the curl FAQ to cover this.)
Warnings
Modern versions of curl will inform users about this unnecessar...
How to declare variable and use it in the same Oracle SQL script?
...; exec :name := 'SALES'
PL/SQL procedure successfully completed.
SQL> select * from dept
2 where dname = :name
3 /
DEPTNO DNAME LOC
---------- -------------- -------------
30 SALES CHICAGO
SQL>
A VAR is particularly useful when we want to call a stored...
Base64: What is the worst possible increase in space usage?
...f a server received a base64 string and wanted to check it's length before converting,, say it wanted to always permit the final byte array to be 16KB. How big could a 16KB byte array possibly become when converted to a Base64 string (assuming one byte per character)?
...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
...s a simple test script you can play with to see what happens:
with q as (
select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all
select 11, 'nnn', 20000.00 from dual union all
select 11, 'mmm', 5000.00 from dual union all
select 12, 'kkk', 30000 from dual union all
select 10, 'fff', 4000...
What is JSON and why would I use it?
...ks mson)
Using JSON with Yahoo! Web Services (Thanks gljivar)
JSON to CSV Converter
Alternative JSON to CSV Converter
JSON Lint (JSON validator)
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Compare if BigDecimal is greater than zero
...on input for this simple things, it may help for complex scenario. you are converting to intvalue again. so cost to convert, and this will fail for 0.33 as it will convert to int 0
– P Satish Patro
Aug 26 at 14:35
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A better similarity ranking algorithm for variable length strings
...
marzagao's answer is great. I converted it to C# so I thought I'd post it here:
Pastebin Link
/// <summary>
/// This class implements string comparison algorithm
/// based on character pair similarity
/// Source: http://www.catalysoft.com/articles...
How to select multiple rows filled with constants?
Selecting constants without referring to a table is perfectly legal in an SQL statement:
15 Answers
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ruby on rails f.select options with custom attributes
I have a form select statement, like this:
5 Answers
5
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Python serialization - Why pickle?
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Pickling is a way to convert a python object (list, dict, etc.) into a character stream. The idea is that this character stream contains all the information necessary to reconstruct the object in another python script.
As for where the pickled i...