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Django: How to completely uninstall a Django app?
...t; 1.7 has a handy management command that will give you the necessary SQL to drop all the tables for an app. See the sqlclear docs for more information. Basically, running ./manage.py sqlclear my_app_name gets you get the SQL statements that should be executed to get rid of all traces of the app in...
Does Java 8 provide a good way to repeat a value or function?
In many other languages, eg. Haskell, it is easy to repeat a value or function multiple times, eg. to get a list of 8 copies of the value 1:
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Is it valid to have a html form inside another html form?
Is it valid html to have the following:
14 Answers
14
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Installing pip packages to $HOME folder
...install the python packages inside my $HOME folder. (for example, I want to install mercurial , using pip , but inside $HOME instead of /usr/local )
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Why is 1/1/1970 the “epoch time”?
...r this reason, the time represented by the number 0 (called the epoch) had to be set in the very recent past. As this was in the early 1970s, the epoch was set to 1971-1-1.
Later, the system time was changed to increment every second, which increased the span of time that could be represented by a ...
How to set enum to null
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You can either use the "?" operator for a nullable type.
public Color? myColor = null;
Or use the standard practice for enums that cannot be null by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None.
pu...
Is it safe to delete a NULL pointer?
Is it safe to delete a NULL pointer?
7 Answers
7
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ScrollIntoView() causing the whole page to move
I am using ScrollIntoView() to scroll the highlighted item in a list into view. When I scroll downwards ScrollIntoView(false) works perfectly. But when I scroll upwards, ScrollIntoView(true) is causing the whole page to move a little which I think is intended.
Is there a way to avoid the whole page...
Add a reference column migration in Rails 4
A user has many uploads. I want to add a column to the uploads table that references the user . What should the migration look like?
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C# Events and Thread Safety
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The JIT isn't allowed to perform the optimization you're talking about in the first part, because of the condition. I know this was raised as a spectre a while ago, but it's not valid. (I checked it with either Joe Duffy or Vance Morrison a while ...