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Explanation of JSONB introduced by PostgreSQL
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475
+50
First, ...
How to test an SQL Update statement before running it?
... WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you which rows will be updated:
SELECT *
FROM foo
WHERE col1 = 1
AND col2 = 'foobar';
...
Python SQL query string formatting
...on.org/), which could be qualified a somewhere between Option 2 and Option 4
Code Sample:
sql = ("SELECT field1, field2, field3, field4 "
"FROM table "
"WHERE condition1=1 "
"AND condition2=2;")
Works as well with f-strings:
fields = "field1, field2, field3, field4"
table =...
Calculating Distance between two Latitude and Longitude GeoCoordinates
...ting the distance between two GeoCoordinates. I'm testing my app against 3-4 other apps. When I'm calculating distance, I tend to get an average of 3.3 miles for my calculation whereas other apps are getting 3.5 miles. It's a big difference for the calculation I'm trying to perform. Are there any go...
Can we add a inside H1 tag?
...
Yes you can.
HTML4 has this to say:
<!ENTITY % heading "H1|H2|H3|H4|H5|H6">
<!--
There are six levels of headings from H1 (the most important)
to H6 (the least important).
-->
<!ELEMENT (%heading;) - - (%inline;)* -- hea...
What is the opposite of :hover (on mouse leave)?
...
SpaceBeersSpaceBeers
12.4k55 gold badges4242 silver badges6060 bronze badges
...
How do you pass multiple enum values in C#?
...ple:
[Flags]
enum DaysOfWeek
{
Sunday = 1,
Monday = 2,
Tuesday = 4,
Wednesday = 8,
Thursday = 16,
Friday = 32,
Saturday = 64
}
public void RunOnDays(DaysOfWeek days)
{
bool isTuesdaySet = (days & DaysOfWeek.Tuesday) == DaysOfWeek.Tuesday;
if (isTuesdaySet)
//....
Node.js version on the command line? (not the REPL)
...
14 Answers
14
Active
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Using C# to check if string contains a string in string array
... thanks.
– Tamara JQ
Oct 19 '11 at 14:18
71
Don't use this answer use LINQ instead
...