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Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
... switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN: startPress(); break;
// We need to delay releasing of the view a little so it shows the pressed state on the screen
case MotionEvent.ACTION_UP: handler.postDelayed(confirmClickRunnable, 150); b...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...d="foo" value="#{bean.foo}" required="true" />
<p:message id="foo_m" for="foo" />
<p:inputText id="bar" value="#{bean.bar}" required="true" />
<p:message id="bar_m" for="bar" />
<p:commandButton action="#{bean.action}" update="@form" />
</h:form>
(no...
What is the best Distributed Brute Force countermeasure?
...rers, since they can be easily faked. What you need is to set a key in the _SESSION var when the user views the login page, and then check to make sure that key exists when they submit their login information. If bot does not submit from the login page, it will not be able to login. You can also fac...
How would you implement an LRU cache in Java?
...mple = Collections.synchronizedMap(new LruCache<String, String>(CACHE_SIZE));
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Benefits of prototypal inheritance over classical?
... you to copy the properties of an arbitrary number of objects. For example _.extend does just this.
Of course many programmers don't consider this to be true inheritance because instanceof and isPrototypeOf say otherwise. However this can be easily remedied by storing an array of prototypes on ever...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...代表的含意与\d就是完全一致的：一位数字；同理[a-z0-9A-Z_]也完全等同于\w（如果只考虑英文的话）。
下面是一个更复杂的表达式：\(?0\d{2}[) -]?\d{8}。
“(”和“)”也是元字符，后面的分组节里会提到，所以在这里需要使用转义...
Running Bash commands in Python
...ch are commonly overlooked.
Prefer subprocess.run() over subprocess.check_call() and friends over subprocess.call() over subprocess.Popen() over os.system() over os.popen()
Understand and probably use text=True, aka universal_newlines=True.
Understand the meaning of shell=True or shell=False and h...
What is the purpose of the reader monad?
... to get a monad:
instance Monad (Reader env) where
return x = Reader (\_ -> x)
(Reader f) >>= g = Reader $ \x -> runReader (g (f x)) x
which is not so scary. ask is really simple:
ask = Reader $ \x -> x
while local isn't so bad:
local f (Reader g) = Reader $ \x -> runR...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...etwork is unreachable
WSAETIMEDOUT (10060) Connection timed out
WSAHOST_NOT_FOUND (11001) Host not found
WSASYSNOTREADY (10091) Network sub-system is unavailable
WSANOTINITIALISED (10093) WSAStartup() not performed
WSANO_DATA (11004) Valid name, no data of that type
WSANO_RECOVERY (11003...
Any reason why scala does not explicitly support dependent types?
...
@ashy_32bit if you can get access to "Advanced Topics in Types and Programming Languages" by Benjamin Pierce, there is a chapter in that which gives a reasonable introduction to dependent types. You could also read some papers by ...