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CSS Selector “(A or B) and C”?
...cute 'querySelector' on 'Document': ':any(.a .b)' is not a valid selector. error? ????
– thomas
Nov 14 '19 at 10:46
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HTTPS with Visual Studio's built-in ASP.NET Development Server
...e this has ran, browse to your localhost over HTTPS
You should receive an error message stating that this certificate is from a untrusted source. You can either add your machinename to the browsers “Trusted Authorities” list, or you can tell the browser to ignore this.
At this point, you wil...
throw new std::exception vs throw std::exception
...ptions are supposed to enable you to write more robust code in the face of error conditions. If you throw an exception object in the conventional manner you can be sure that whether it is caught by a catch clause naming the correct type, by a catch (...), whether it is then re-thrown or not it will ...
CASCADE DELETE just once
...s(1);
INSERT 0 1
-- restricting works
testing=# delete from a where id=1;
ERROR: update or delete on table "a" violates foreign key constraint "b_id_fkey" on table "b"
DETAIL: Key (id)=(1) is still referenced from table "b".
-- find the name of the constraint
testing=# \d b;
Table "public...
reStructuredText tool support
...unks that could be rendered whole by the ROR.
POT output lacks the helpful error messages displayed by the ROR (and generated by docutils)
Java - JRst
JRst is a Java reStructuredText parser. It can currently output HTML, XHTML, DocBook xdoc and PDF, BUT seems to have serious problems: neither PDF...
What is a Proxy in Doctrine 2?
...create User object. Creation of incomplete entity could lead to unexpected errors.
That's why Doctrine will create UserProxy object that supports lazy loading. When you'll try to access firstname property (which is not loaded) it will first load that value from database.
I mean why should I u...
Java 7 language features with Android
...Exception chaining constructors in ConcurrentModificationException, LinkageError and AssertionError
The static .compare() methods for primitives: Boolean.compare(), Byte.compare(), Short.compare(), Character.compare(), Integer.compare(), Long.compare().
Currency: .getAvailableCurrencies(), .getDispl...
Resolve Type from Class Name in a Different Assembly
...blic static Type ReconstructType(string assemblyQualifiedName, bool throwOnError = true, params Assembly[] referencedAssemblies)
{
foreach (Assembly asm in referencedAssemblies)
{
var fullNameWithoutAssemblyName = assemblyQualifiedName.Replace($", {asm.FullName}", "")...
How to play with Control.Monad.Writer in haskell?
...writer monad. If you wanted two layers transformers (say you wanted to add error handling as well) then you'd need to use lift $ lift $ tell w. This quickly gets unwieldy.
Instead, by defining a type class we can make any monad transformer wrapper around a writer into an instance of writer itself. ...
Assign pandas dataframe column dtypes
...e types explicitly with pandas DataFrame.astype(dtype, copy=True, raise_on_error=True, **kwargs) and pass in a dictionary with the dtypes you want to dtype
here's an example:
import pandas as pd
wheel_number = 5
car_name = 'jeep'
minutes_spent = 4.5
# set the columns
data_columns = ['wheel_number...