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What is Java String interning?
... The problem is that the internalized strings go to
the Permanent Generation, which is an area of the JVM that is reserved
for non-user objects, like Classes, Methods and other internal JVM
objects. The size of this area is limited, and is usually much smaller
than the heap. Calling intern()...
OS specific instructions in CMAKE: How to?
...onment windows. The problem is clearly with target_link_libraries() function of CMAKE where I am linking libwsock32.a. In windows this works and I get the results.
...
@property retain, assign, copy, nonatomic in Objective-C
...re is "rarely a reason" to use "atomic". (BTW: The book I read is the BNR "iOS Programming" book.)
readwrite vs. readonly
- "readwrite" is the default. When you @synthesize, both a getter and a setter will be created for you. If you use "readonly", no setter will be created. Use it for a value you ...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...有在出现异常情况的时候才查询，架构图如下：
Degradation
实现的关键点在于通过error_page处理异常，并且完成服务降级：
limit_conn_zone $server_name zone=perserver:1m;
error_page 500 502 503 504 = @failover;
fastcgi_cache_path
/tmp
leve...
What is the iPad user agent?
... I gather, the iPad is using iPhone OS, but with a different screen resolution from the iPhone and iPod touch. So many sites may have to change their user agent detection to adapt to the iPad.
...
NSDate beginning of day and end of day
...
I have a strange behaviour where if I add the day component I get 23:00 of the previous day.
– Mike M
Jul 18 '14 at 10:24
3
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Detecting a mobile browser
I'm looking for a function which return boolean value if user has mobile browser or not.
36 Answers
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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...的），开仓500手，平仓446手，现在持仓54手。
(总体收益怎么样？我有个感觉不知道对不对啊。我觉得你说的好像是每天不停地下很多正反单。然后把符合盈利要求得平掉，然后重现开新单。留下浮亏的。直到浮亏的盈利再平。...
Importing CommonCrypto in a Swift framework
How do you import CommonCrypto in a Swift framework for iOS?
16 Answers
16
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RESTful call in Java
...However, I don't know how to make the call. Do I need to use the URLConnection or others? Can anyone help me. thank you.
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