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Interface vs Base class

...erface is a contract. You're only exposing the part of the contract that a service requires. If you have a 'PettingZoo', you certainly don't want to expose 'Mate'-ing to the user! – Anthony Mastrean Sep 11 '08 at 19:54 ...
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SQLite Concurrent Access

...trary. In fact, with modern disks and processors, 95% of web sites and web services would work just fine with SQLite. If you want really fast read/write access, use an in-memory SQLite database. RAM is several orders of magnitude faster than disk. ...
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What's the best way to share data between activities?

...roid.com/guide/faq/framework.html#3 "How do I pass data between Activities/Services within a single application?", and no mention of the Application class. – Jerry101 Mar 14 '14 at 2:44 ...
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Are email addresses case sensitive?

... As a software author, though, you would prefer your service to be one of those few that do things right for this person with case-sensitive email. – Klesun Jun 19 at 8:08 ...
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CORS - What is the motivation behind introducing preflight requests?

... scenario is the primary beneficiary of the preflight mechanism. Yes these services could already be abused by a malicious or non-conforming user agent (and CORS does nothing to change this), but in a world with CORS the preflight mechanism provides an extra 'sanity check' so that clients and server...
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What does enctype='multipart/form-data' mean?

...ans than an HTML form submission. JSON is a common format for use with web services and some still use SOAP.) The specifics of the formats don't matter to most developers. The important points are: Never use text/plain. When you are writing client-side code: use multipart/form-data when your ...
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What is the difference between quiet NaN and signaling NaN?

... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy ...
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Asynchronous vs synchronous execution, what does it really mean? [closed]

...nother machine (Fetch and/or update data, get a stock quote from financial service, etc.). If it's on a separate machine it is on a separate thread, whether synchronous or asynchronous. share | im...
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Java Programming - Where should SQL statements be stored? [closed]

...ve to resort to Criteria for UI queries, well-defined queries (reporting / service interaction / etc...) should all be in HQL. – ChssPly76 Nov 2 '09 at 22:29 ...
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When would you use a WeakHashMap or a WeakReference?

...WebSocket clients should be bound with some listeners on them via registry service, it seems logical to store socket objects as a keys in WeakMap (to prevent them from hanging in memory after connection close, say, on error) and being able to retrieve all their listeners if needed. So, could you ple...