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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...ronment. I can use the standard conda install... command to put packages from the distribution into my environments, but to use anything outside (i.e. Flask-WTF, flask-sqlalchemy, and alembic) I need to use pip install in the active environment. However, when I look at the contents of the enviro...
Use of def, val, and var in scala
...6
scala> aVariable = 5
aVariable: Int = 5
According to above, labels from def and val cannot be reassigned, and in case of any attempt an error like the below one will be raised:
scala> something = 5 * 6
<console>:8: error: value something_= is not a member of object $iw
somet...
Can someone explain in simple terms to me what a directed acyclic graph is?
...you can never go to the same bar twice". Although the family-tree example from another answer is probably conceptually simpler, especially for those of us who aren't college students or alcoholics.
– Tom Harrison
Jul 23 '16 at 16:48
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...ision results, double-precision suffices for a gold standard — the error from aaaaaa computed in double is *vastly smaller than the error of any of the single-precision computations.
– Stephen Canon
Sep 24 '13 at 22:47
...
How to bind to a PasswordBox in MVVM
...st that when accessing the PasswordBox.Password CLR property you'd refrain from placing it in any variable or as a value for any property.
Keeping your password in plain text on the client machine RAM is a security no-no.
So get rid of that public string Password { get; set; } you've got up there.
...
What are file descriptors, explained in simple terms?
...iptors, if you open lots of files at once. Which will prevent *nix systems from running, since they open descriptors to stuff in /proc all the time.
– Spencer Rathbun
May 10 '12 at 12:51
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What's the difference between URI.escape and CGI.escape?
...a string (URL) into, so called, "Percent-encoding".
CGI::escape is coming from the CGI spec, which describes how data should be encoded/decode between web server and application.
Now, let's say that you need to escape a URI in your app. It is a more specific use case.
For that, the Ruby community...
What does the explicit keyword mean?
... compiler can use constructors callable with a single parameter to convert from one type to another in order to get the right type for a parameter.
Here's an example class with a constructor that can be used for implicit conversions:
class Foo
{
public:
// single parameter constructor, can be used...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...ice versa. This means that control needs to be transferred back and forth from ARC when bridging between CF types and Objective-C. Some keywords related to this bridging have been added, and Mike Ash has a great description of various bridging cases in his lengthy ARC writeup.
In addition to this,...
Is it possible to disable floating headers in UITableView with UITableViewStylePlain?
...arm!! The presence of a table header view header stops the section headers from floating. And an invisible header with appropriate content insets for the table does the trick .. Thank you so much! wonder why this answer's not getting much attention
– Shyam Bhat
...