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What is the difference between pip and conda?
...n library dependencies, such as HDF5, MKL, LLVM, etc., which do not have a setup.py in their source code and also do not install files into Python’s site-packages directory.
So Conda is a packaging tool and installer that aims to do more than what pip does; handle library dependencies outside of...
Eclipse will not start and I haven't changed anything
... whole workspace. i had to reimport my projects and configure perspective, settings, etc. I'm not sure if this was caused by deleting the folder mentioned or by the problem that made my eclipse complain in the first place
– Hilikus
May 9 '13 at 18:27
...
Can't Find Theme.AppCompat.Light for New Android ActionBar Support
...issues using the same method listed on Google Developer's Support Library Setup page - using the guide on how to include the resources (which is similar to how ActionBarSherlock did it). I have the library project loaded in to my own project as a library as well.
...
Convert XML to JSON (and back) using Javascript
...nt to parse JSON or JS object into XML then
//default options need not to set
var defaultOptions = {
attributeNamePrefix : "@_",
attrNodeName: "@", //default is false
textNodeName : "#text",
ignoreAttributes : true,
encodeHTMLchar: false,
cdataTagName: "__cdata", //default i...
What is the significance of load factor in HashMap?
...f entries in the map and its load factor should be taken into account when setting its initial capacity, so as to minimize the number of rehash operations. If the initial capacity is greater than the maximum number of entries divided by the load factor, no rehash operations will ever occur.
As with...
Member '' cannot be accessed with an instance reference
...em;
public class MyType
{
public string MyProperty { get; set; } = new string();
public static string MyStatic { get; set; } = "I'm static";
}
}
Consuming:
using MyType;
public class Somewhere
{
public void Consuming(){
// through instance of your type
...
What is a 'thunk'?
...e it was created. A small thunk can be built (usually on the stack) which sets up the context info in some register(s) and then jumps to a static piece of code that implements the closure's function. The thunk here is effectively supplying one or more hidden extra arguments to the function that ar...
How was the first compiler written?
...e matching assembly instructions, and hand-determining memory addresses/offsets for things like jumps.
The first programs were done in exactly this fashion - hand-written opcodes.
However, most of the time it's simpler to use an assembler to "compile" assembly code, which automatically does these ...
How to convert an xml string to a dictionary?
... assert isinstance(v, basestring)
root.set(k[1:], v)
elif isinstance(v, list):
for e in v:
_to_etree(e, ET.SubElement(root, k))
else:
_to_etree(v, ET.SubElement(root, k...
When to use in vs ref vs out
...
Use out to denote that the parameter is not being used, only set. This helps the caller understand that you're always initializing the parameter.
Also, ref and out are not just for value types. They also let you reset the object that a reference type is referencing from within a met...