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How do I address unchecked cast warnings?
...input.keySet().toArray()) {
if ((key == null) || (keyClass.isAssignableFrom(key.getClass()))) {
Object value = input.get(key);
if ((value == null) || (valueClass.isAssignableFrom(value.getClass()))) {
K k = keyClass.cast(key);
V v = valueClass.cast(value);...
Why is it not advisable to have the database and web server on the same machine?
...ves in a DMZ, accessible to the public internet and taking untrusted input from anonymous users. If your web server gets compromised, and you've followed least privilege rules in connecting to your DB, the maximum exposure is what your app can do through the database API. If you have a business tier...
Convert a row of a data frame to vector
...
When you extract a single row from a data frame you get a one-row data frame. Convert it to a numeric vector:
as.numeric(df[1,])
As @Roland suggests, unlist(df[1,]) will convert the one-row data frame to a numeric vector without dropping the names...
What are “signed” cookies in connect/expressjs?
...es.cookie(name, value, { signed: true })) . Reporting the missing "detail" from the documentation...
– Merc
Aug 10 '12 at 9:03
...
How can I make Bootstrap columns all the same height?
...
I included the correct CSS (from the .vn site) but it messes everything up. it's based on flex
– ekkis
Oct 5 '16 at 23:30
...
Input and output numpy arrays to h5py
...nning in interactive mode (because otherwise one risks to get an exception from h5py about an already open file when one reruns the same code without properly closing in the first attempt)
– Andre Holzner
Sep 21 '17 at 8:11
...
Unicode, UTF, ASCII, ANSI format differences
... - but you need to distinguish between "content that is sent back via HTTP from the web server" and "content that is sent via email". It's not the web page content that sends the email - it's the app behind it, presumably. The web content would be best in UTF-8; the mail content could be in UTF-7, a...
How to show and update echo on same line
... are -n and -e.
-n will not output the trailing newline. So that saves me from going to a new line each time I echo something.
-e will allow me to interpret backslash escape symbols.
Guess what escape symbol I want to use for this: \r. Yes, carriage return would send me back to the start and it w...
What is the purpose and use of **kwargs?
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I would imagine the keyword terminology comes from the fact you are passing in a dict which is a database of key-value pairs.
– crobar
May 11 '17 at 9:38
Partly JSON unmarshal into a map in Go
... }
// populating data to a live car object.
if v, err := i.GetObjFromArr(0, car); err != nil {
fmt.Printf("err: %s\n", err.Error())
} else {
fmt.Printf("car (original): %s\n", car.GetName())
fmt.Printf("car (returned): %s\n", v.(*Car).GetName())
for k, ...