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Easiest way to copy a single file from host to Vagrant guest?
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Instead of using a shell provisioner to copy the file, you can also use a Vagrant file provisioner.
Provisioner name: "file"
The file provisioner allows you to upload a file from the host machine to the guest machine.
Vagrant.configure("2") do |config|
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How do you effectively model inheritance in a database?
...performance gains in some cases this is entirely due to an incomplete (or nonexistent) separation between the logical and physical structure of data in the DBMS. Unfortunately the majority of commercial DBMS suffer from this problem. @PerformanceDBA is correct. Undernormalization is a judgement erro...
How can I ensure that a division of integers is always rounded up?
...swer right the first time - is to approach the problem carefully, solve it one step at a time, and use good engineering principles in doing so.
Start by reading the specification for what you're trying to replace. The specification for integer division clearly states:
The division rounds the resu...
“PKIX path building failed” and “unable to find valid certification path to requested target”
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For anyone getting an "access denied" error, make sure you're running command prompt as an administrator.
– Walker Christie
Apr 24 '18 at 15:49
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Can regular expressions be used to match nested patterns? [duplicate]
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I agree. However,one problem with the (?>...) atomic group syntax (under PHP 5.2) is that the ?> portion is interpreted as: "end-of-script"! Here is how I would write it: /\((?:[^()]++|(?R))*+\)/. This is a bit more efficient for both m...
Set padding for UITextField with UITextBorderStyleNone
... This works fine except for the fact that I have to use UITextBorderStyleNone to make it look pretty. This forces the text to stick to the left without any padding.
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Xcode 6 Bug: Unknown class in Interface Builder file
...ng the question. I figured I'd answer my question and leave it here for anyone else who may face this issue when using Xcode 6 beta 4.
To resolve this issue, you need to select each of your custom class objects in Storyboard (this includes any custom views, even the custom view controllers themselv...
A migration to add unique constraint to a combination of columns
...fme.com, "There are 46,427 people named John Smith" in the United States alone. That's about 127 years of days. As this is well over the average lifespan of a human being, this means that a DOB clash is mathematically certain.
All I'm saying is that that particular combination of unique fields cou...
Convert date to datetime in Python
... the minimum value representable by datetime and then getting its time component. Incidentally, datetime.min = datetime(MINYEAR, 1, 1, tzinfo=None) and has a time of 00:00:00. However, I think it is cleaner to explicitly create a 00:00:00 time either through time.min or time(0, 0, 0, 0).
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Horizontal ListView in Android?
Is it possible to make the ListView horizontally? I have done this using a gallery view, but the selected item comes to the center of the screen automatically. I don't want the selected item at the same spot I clicked. How can I rectify this problem? My idea was to set the ListView with a horizo...