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How does TransactionScope roll back transactions?
... integration test where I will be inserting a number of objects into a database and then checking to make sure whether my method retrieves those objects.
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“VT-x is not available” when i start my Virtual machine [closed]
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You might try reducing your base memory under settings to around 3175MB and reduce your cores to 1. That should work given that your BIOS is set for virtualization. Use the f12 key, security, virtualization to make sure that it is enabled. If it doesn't...
How do you delete an ActiveRecord object?
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Why it only updates deleted_at column data in my database? How can I delete the whole row of data?
– TommyQu
Sep 28 '17 at 15:42
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What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
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If sudo make uninstall is unavailable:
In a Debian based system, instead of (or after*) doing make install you can run sudo checkinstall to make a .deb file that gets automatically installed. You can then remove it using the system package manager (e.g. apt/synaptic/aptitude/...
calculating the difference in months between two dates
...if today is the 14th of March, then the two pervious months are calculated based on the fact that jan had 31 days in it, and feb hasd 29 days in it. now, youre correct in that my method is not the definition of a "general" month, & yours is! However, mine only applies if you are reporting things...
How to use php serialize() and unserialize()
...common denominator" that can be handled by things other than PHP, like databases, text files, sockets. The standard PHP function serialize is just a format to express such a thing, it serializes a data structure into a string representation that's unique to PHP and can be reversed into a PHP object ...
master branch and 'origin/master' have diverged, how to 'undiverge' branches'?
...work)
\
C master (your work)
You based commit C on commit A because that was the latest work you had fetched from upstream at the time.
However, before you tried to push back to origin, someone else pushed commit B.
Development history has diverged into sep...
Does Ruby have a string.startswith(“abc”) built in method?
... length of the given string—whereas index will have to search the entire base string. In a failure case, starts_with? will take one access (per string) and comparison, whereas index will walk almost the full length of the base string.
– OldPeculier
Jul 28 '14...
Cordova 3.5.0 Install Error- Please Install Android Target 19
...em Image)
Google APIs (ARM System Image)
I could then create an emulator based on API19 using the Android Virtual Device (AVD) Manager that is included in the android SDK bundle.
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Why is the asterisk before the variable name, rather than after the type?
... @Kupiakos It only makes more sense until you learn C's declaration syntax based on "declarations follow use". Declarations use the exact same syntax that use of the same-typed variables do. When you declare an array of ints, it does not look like: int[10] x. This is simply not C's syntax. The gram...