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Check for column name in a SqlDataReader object

...he loop doesn't. It is, however, a completely hypothetical situation right now so it's a very flimsy justification. Regardless, bear with me and see what you think. Imagine a database that allowed you to "alias" columns within a table. Imagine that I could define a table with a column called "Emplo...
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How to work around the lack of transactions in MongoDB?

I know there are similar questions here but they are either telling me to switch back to regular RDBMS systems if I need transactions or use atomic operations or two-phase commit . The second solution seems the best choice. The third I don't wish to follow because it seems that many things coul...
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How fast is D compared to C++?

... @CyberShadow Thanks! With these flags runtime improves considerably. Now D is at 12.9 s. But still runs more than 3 times as long. @Matthieu M. I would not mind to test a program with boundschecking in slow motion and once it is debugged let it do its computations without boundschecking. (I do...
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Why functional languages? [closed]

...mputer programming, I think we still have much to learn. Twenty years from now, programmers will look back in amazement at the primitive nature of the tools we're currently using, including the now-popular OO and FP languages. ...
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How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]

I know that Git tracks changes I make to my application, and it holds on to them until I commit the changes, but here's where I'm hung up: ...
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In git, is there a simple way of introducing an unrelated branch to a repository?

...tle more high-level than what's in any of the other answers. git checkout now supports the --orphan option. From the man page: git checkout [-q] [-f] [-m] --orphan <new_branch> [<start_point>] Create a new orphan branch, named <new_branch>, started from <start_point&gt...
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How do I create a category in Xcode 6 or higher?

...bjective-C file under Sources in iOS or Mac OS respectively and Click Next Now under File Type: choose either Category, Protocol, or Extension PS. Under File Name: whatever you type here will be either the Category, Protocol, or Extension Name. ...
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When to use thread pool in C#? [closed]

...d tasks. Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you want, if you know how many you need. Edit: The reason to make your own threads is because of context changes, (thats when threads need to swap in and out of the pr...
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Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]

... Update You can now enable the Quick Boot option for Android Emulator. That will save emulator state, and it will start the emulator quickly on the next boot. Click on Emulator edit button, then click Show Advanced Setting. Then enable Quic...
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What's the difference between Spring Data's MongoTemplate and MongoRepository?

...<User> yourCustomMethod() { // custom implementation here } } Now let your base repository interface extend the custom one and the infrastructure will automatically use your custom implementation: interface UserRepository extends CrudRepository<User, Long>, CustomUserRepository {...