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How can I dynamically create derived classes from a base class
...ter names.
The parameter verification in __init__ just does not allow
unknown parameters, if you need other verifications, like
type, or that they are mandatory, just add the logic
there:
class BaseClass(object):
def __init__(self, classtype):
self._type = classtype
def ClassFactory(...
How to securely store access token and secret in Android?
...instead of the actual username password:
Third party apps don't need to know the password and the user can be sure that they only send it to the original site (Facebook, Twitter, Gmail, etc.)
Even if someone steals a token, they don't get to see the password (which the user might be using on other...
How can I know which parts in the code are never used?
... returns or conditions that always evaluate to true)
there is no option I know of to warn about unused catch blocks, because the compiler generally cannot prove that no exception will be thrown.
For the second kind, it's much more difficult. Statically it requires whole program analysis, and even ...
How to sort a dataframe by multiple column(s)
...
The ggplot2 microbenchmark function above is now available as taRifx::autoplot.microbenchmark.
– Ari B. Friedman
Jun 1 '12 at 1:23
...
get list from pandas dataframe column
...n in this way I will struggle. it's getting there, there are some examples now, but not for every method.
– yoshiserry
Mar 12 '14 at 4:02
...
Efficiently convert rows to columns in sql server
...nt, PostalCode, LastName, AccountNumber)
) piv;
See Demo.
Pivot with unknown number of columnnames
If you have an unknown number of columnnames that you want to transpose, then you can use dynamic SQL:
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX)
select @cols = STUFF((SELECT ',...
Understanding the transclude option of directive definition?
...cept is pretty simple: Include the content from one place into another. So now your directive will look something like this:
app.directive('myDirective', function(){
return{
transclude: true,
template: '<div class="something"> This is my directive content</div> <n...
How to parse the AndroidManifest.xml file inside an .apk package
...n the device. (There are fields whose purpose I don't understand, if you know what they mean, tell me, I'll update the info.)
// decompressXML -- Parse the 'compressed' binary form of Android XML docs
// such as for AndroidManifest.xml in .apk files
public static int endDocTag = 0x00100101;
publi...
Inline elements shifting when made bold on hover
...r over the links. You see, I created a bold hover state for the links, and now the menu links shift because of the bold size difference.
...
How to make Git pull use rebase by default for all my repositories?
...
There are now 3 different levels of configuration for default pull behaviour. From most general to most fine grained they are:
1. pull.rebase
Setting this to true means that git pull is always equivalent to git pull --rebase (unless ...