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Easiest way to read from and write to files
...and File.WriteAllText.
MSDN example excerpt:
// Create a file to write to.
string createText = "Hello and Welcome" + Environment.NewLine;
File.WriteAllText(path, createText);
...
// Open the file to read from.
string readText = File.ReadAllText(path);
...
List columns with indexes in PostgreSQL
...ect
t.relname as table_name,
i.relname as index_name,
array_to_string(array_agg(a.attname), ', ') as column_names
from
pg_class t,
pg_class i,
pg_index ix,
pg_attribute a
where
t.oid = ix.indrelid
and i.oid = ix.indexrelid
and a.attrelid = t.oid
and a.attn...
How to do ToString for a possibly null object?
...# 6.0 we can now have a succinct, cast-free version of the orignal method:
string s = myObj?.ToString() ?? "";
Or even using interpolation:
string s = $"{myObj}";
Original Answer:
string s = (myObj ?? String.Empty).ToString();
or
string s = (myObjc ?? "").ToString()
to be even more concise.
Unfo...
Problems with Android Fragment back stack
... that were added with the same containerViewId and then add(int, Fragment, String) with the same arguments given here.
then what's happening is like this (I'm adding numbers to the frag to make it more clear):
// transaction.replace(R.id.detailFragment, frag1);
Transaction.remove(null).add(frag1)...
How do I update all my CPAN modules to their latest versions?
...
why using such extra tools while there's a built-in solution (see second answer)?
– eav
Nov 8 '12 at 8:37
4
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StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
18
...
Parsing JSON with Unix tools
...ivalent to curl --silent, whereas jq -r means jq --raw-output i.e. without string quotes.
– Serge Stroobandt
Oct 26 '18 at 21:52
...
How to make an introduction page with Doxygen
...
@samvv I did not add any extra to the markdown document. I just used the INPUT = README.md then INPUT += src (to follow @Lester's suggestion) and the USE_MDFILE_AS_MAINPAGE = README.md and it worked like a charm. Version: $ doxygen --version returns ...
Specifying a custom DateTime format when serializing with Json.Net
...y ARE correct, although they are not strictly necessary here. See Literal String Delimiters in the documentation for Custom Date and Time Format Strings. However, the format I quoted as the default format for the IsonDateTimeConverter was taken directly from the Json.Net source code; therefore I a...
What SOAP client libraries exist for Python, and where is the documentation for them? [closed]
...corator). Ladon exposes more interfaces than SOAP at the same time without extra user code needed.
pysimplesoap: very lightweight but useful for both client and server - includes a web2py server integration that ships with web2py.
SOAPpy: Distinct from the abandoned SOAPpy that's hosted at the ZSI l...