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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
... its data and it's third party, you may want to wrap the third party class into your own class, which implements Serializable and uses readObject() and writeObject() to manually serialize the data of the third party class. In some cases this might be a reasonable approach. stackoverflow.com/a/129635...
Programmatically creating Markdown tables in R with KnitR
...--
Note that in both these cases, it is directed towards using pandoc to convert from markdown to your desired document type, however using style='rmarkdown' will create tables that are compatible with this markdown package and inbuilt conversion in rstudio.
...
How do I iterate over the words of a string?
...lude <sstream>
#include <algorithm>
#include <iterator>
int main() {
using namespace std;
string sentence = "And I feel fine...";
istringstream iss(sentence);
copy(istream_iterator<string>(iss),
istream_iterator<string>(),
ostream_iter...
Replace None with NaN in pandas dataframe
...ata from an SQL database, you can combine this with the answer below. This converts None (which isn't a string) to NaN. Then you can df['column'].replace(nan, "", inplace=True) if say you wanted None to be empty string.
– VISQL
Jul 4 '18 at 12:52
...
How do I close a connection early?
...ot of useful things in the context of a query, such as saving the session, converting the downloaded video, handling all kinds of statistics, etc.
fastcgi_finish_request() can invoke executing shutdown function.
Note: fastcgi_finish_request() has a quirk where calls to flush, print, or echo will...
How to find the kth largest element in an unsorted array of length n in O(n)?
...worst case time, and a pretty complicated non-randomized algorithm (called introselect) taking O(n) worst case time. There's some info on Wikipedia, but it's not very good.
Everything you need is in these powerpoint slides. Just to extract the basic algorithm of the O(n) worst-case algorithm (intro...
runOnUiThread in fragment
I'm trying to convert an Activity to fragment. The error mark on runOnUiThread .
on the past:
6 Answers
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...AAA.BBB.CCC.DDD:9443 > certs.txt This will extract certs in PEM format.
Convert the cert into DER format as this is what keytool expects, e.g. openssl x509 -in certs.txt -out certs.der -outform DER
Now you want to import this cert into the system default 'cacert' file. Locate the system default '...
Getting All Variables In Scope
...ion:
var f = function() {
var x = 0;
console.log(x);
};
You can convert your function to a string:
var s = f + '';
You will get source of function as a string
'function () {\nvar x = 0;\nconsole.log(x);\n}'
Now you can use a parser like esprima to parse function code and find local ...
How to trim leading and trailing white spaces of a string?
...s.
(example: the string value of {"first_name":" I have whitespace "} will convert to "\" I have whitespace \"")
Before you can trim anything, you'll need to remove the extra quotes first:
playground example
// ScrubString is a string that might contain whitespace that needs scrubbing.
type ScrubStr...