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Synchronization vs Lock
java.util.concurrent API provides a class called as Lock , which would basically serialize the control in order to access the critical resource. It gives method such as park() and unpark() .
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Is it possible to make an ASP.NET MVC route based on a subdomain?
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To capture the subdomain when using Web API, override the Action Selector to inject a subdomain query parameter. Then use the subdomain query parameter in your controllers' actions like this:
public string Get(string id, string subdomain)
This approach makes deb...
HttpClient.GetAsync(…) never returns when using await/async
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You are misusing the API.
Here's the situation: in ASP.NET, only one thread can handle a request at a time. You can do some parallel processing if necessary (borrowing additional threads from the thread pool), but only one thread would have the ...
Can local storage ever be considered secure? [closed]
...ailed below. All but one of these concerns does not apply to the WebCrypto API, which is now reasonably well supported.
For an offline app, you must still design and implement a secure keystore.
Aside: If you are using Node.js, use the builtin crypto API.
Native-Javascript Cryptography (pre-WebCr...
What is the difference between Builder Design pattern and Factory Design pattern?
... is worth adding is: 1) Builder is mainly used to build POJOs using Fluent API (e.g. Person.builder().withName("Sam").withAge(38).build(). 2) In my experiene, builder is useful for POJO creation for domain objects, whereas factory is useful for creating a service objects like PdfGeneratorFactory cla...
代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...息：
3月 04, 2025 9:50:11 上午 com.google.appengine.tools.development.ApiProxyLocalImpl log
严重: javax.servlet.ServletContext log: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract long com.google.appinventor.sha...
Auto-loading lib files in Rails 4
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This doesn't seem to work in Rails 5 API in production (but does in development). I believe that you need to use config.eager_load_paths << Rails.root.join('lib'). However, that has a major downside in that eager_load_paths loads everything in tasks as w...
How can I combine two HashMap objects containing the same types?
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One-liner using Java 8 Stream API:
map3 = Stream.of(map1, map2).flatMap(m -> m.entrySet().stream())
.collect(Collectors.toMap(Entry::getKey, Entry::getValue))
Among the benefits of this method is ability to pass a merge function, which will d...
SQLite with encryption/password protection
...SL's libcrypto to implement.
SQLiteCrypt - Custom implementation, modified API.
botansqlite3 - botansqlite3 is an encryption codec for SQLite3 that can use any algorithms in Botan for encryption.
sqleet - another encryption implementation, using ChaCha20/Poly1305 primitives. Note that wxSQLite ment...
When and how should I use a ThreadLocal variable?
...en using them to avoid unwanted side-effects and memory leaks. Design your APIs so that the ThreadLocal values will always be automatically cleared when they are not needed anymore and that incorrect use of the API won't be possible (for example like this). ThreadLocals can be used to make the code ...