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Match multiple cases classes in scala
...
Looks like you don't care about the values of the String parameters, and want to treat B and C the same, so:
def matcher(l: Foo): String = {
l match {
case A() => "A"
case B(_) | C(_) => "B"
case _ => "default"
}
}
If you must, must, must extract ...
Sending HTTP POST Request In Java
... well defined format. We need to convert our input to this format:
Map<String,String> arguments = new HashMap<>();
arguments.put("username", "root");
arguments.put("password", "sjh76HSn!"); // This is a fake password obviously
StringJoiner sj = new StringJoiner("&");
for(Map.Entry&l...
ORA-00979 not a group by expression
...ECT cr.review_sk,
cr.cs_sk,
cr.full_name,
tolist(to_char(cf.fact_date, 'mm/dd/yyyy')) "appt",
cs.cs_id,
cr.tracking_number
from review cr, cs, fact cf
where cr.cs_sk = cs.cs_sk
and UPPER(cs.cs_id) like '%' || UPPER(i_cs_id) || '%'
and row_delete_da...
Escaping quotes and double quotes
...l" Bennet blogged about a while ago.
Long story short: you just wrap your string with @' ... '@ :
Start-Process \\server\toto.exe @'
-batch=B -param="sort1;parmtxt='Security ID=1234'"
'@
(Mind that I assumed which quotes are needed, and which things you were attempting to escape.) If you want t...
Read environment variables in Node.js
...
If you want to use a string key generated in your Node.js program, say, var v = 'HOME', you can use
process.env[v].
Otherwise, process.env.VARNAME has to be hardcoded in your program.
...
Static linking vs dynamic linking
... require a some kind of glue layer which often means double dispatch or an extra layer of indirection in function addressing and can cost a little speed (but is function calling time actually a big part of your running time???).
However, if you are running multiple processes which all call the same...
How to get all subsets of a set? (powerset)
... you need to modify the resulting output (e.g. joining the letters to form strings) writing a custom recipe utilizing generators and building up the output you want (e.g. adding together two strings) can be much faster.
– Ceasar Bautista
Feb 23 '18 at 7:48
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Label Alignment in iOS 6 - UITextAlignment deprecated
...t property change is probably related to Apple’s introducing NSAttributedStrings to more of the iOS controls, and therefore needing to change the UIText… properties to NSText… properties.
So if you’ve upgraded to iOS6, you’re in clover; just switch from UITextAlignmentCenter to NSTextAlig...
How do you loop through each line in a text file using a windows batch file?
...ackq. Otherwise, the quotation marks are interpreted as defining a literal string to parse.
By the way, you can find the command-line help file on most Windows systems at:
"C:\WINDOWS\Help\ntcmds.chm"
share
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Setting default value for TypeScript object passed as argument
...ks in TypeScript 1.5:
function sayName({ first, last = 'Smith' }: {first: string; last?: string }): void {
const name = first + ' ' + last;
console.log(name);
}
sayName({ first: 'Bob' });
The trick is to first put in brackets what keys you want to pick from the argument object, with key=valu...