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What is Java Servlet?
... (e.g. parsing an HTTP request, connection handling etc). One of the best-known open source servlet containers is Tomcat.
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How to convert OutputStream to InputStream?
...a OutputStream and second one, which accepts only InputStream . Do you know how to convert OutputStream to InputStream (not vice versa, I mean really this way) that I will be able to connect these two parts?
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Entity Attribute Value Database vs. strict Relational Model Ecommerce
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+10000 Great answer. Nowadays people skimp on database design and requirement gathering. They'd rather write a hundred times more lines of code, that take the time to make a good design.
– Tulains Córdova
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What is the difference between save and insert in Mongo DB?
...e save will do -> It will do normal insertion
upsert to insert.Now in this case as insert() do.
what that means, it means
take the document and replace
the complete document having same
_id.
Let us consider the two cases here for insert:-
1) Having _id of...
What is the HEAD in git?
...want to commit if you're not on a branch (detached HEAD state) unless you know what you're doing (e.g. are in an interactive rebase).
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How can I convert a DateTime to the number of seconds since 1970?
...e, there's a really convenient feature:
long unixSeconds = DateTimeOffset.Now.ToUnixTimeSeconds();
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Using IntelliJ to amend git commit message
... This answer is no longer true since 2017.2. You can do it easily now : Version Control panel > Log tab > select last commit > press F2. jetbrains.com/idea/whatsnew/#v2017-2-version-control
– DLight
Feb 26 '18 at 10:41
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input type=“submit” Vs button tag are they interchangeable?
...lity to adopt to the new spec once it is officialized. HTML5, as of right now, has been official for over one year now, and has been shown in many cases to boost SEO.
&ast; With the exception of <button type="button"> which by default has no specified behaviour.
In summary, I highly di...
.NET Global exception handler in console application
...answer and the comments in reply is to realize that this code demonstrates now to detect the exception, but not fully "handle" it as you might in a normal try/catch block where you have the option to continue. See my other answer for details. If you "handle" the exception this way, you have no opti...
Storing JSON in database vs. having a new column for each key
...a types and the support in PostgreSQL was in its infancy. Since 5.7, MySQL now supports a JSON data type (in a binary storage format), and PostgreSQL JSONB has matured significantly. Both products provide performant JSON types that can store arbitrary documents, including support for indexing specif...