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Difference between EXISTS and IN in SQL?
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The exists keyword can be used in that way, but really it's intended as a way to avoid counting:
--this statement needs to check the entire table
select count(*) from [table] where ...
--this statement is true as soon as one match is found
exists ( select * from [table] ...
Why should I use tags vs. release/beta branches for versioning?
... to use to work with tags, but what I'd like to know is why use tagging at all if I can just create a new branch called 1.1.0 and not have to cloud my mind with a whole new set of git commands?
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Why does Date.parse give incorrect results?
...in use for some time).
I would recommend that date strings are parsed manually and the Date constructor used with year, month and day arguments to avoid ambiguity:
// parse a date in yyyy-mm-dd format
function parseDate(input) {
let parts = input.split('-');
// new Date(year, month [, day [,...
How to sort the result from string_agg()
.../43611024/…
– Mr. TA
Jul 13 at 13:32
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Unicode character for “X” cancel / close?
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✖ works really well. The HTML code is ✖.
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How to convert DateTime to VarChar
...this post (stackoverflow.com/questions/59667/…) for more details. Essentially, there are 2 bytes of overhead involved in VARCHAR vs CHAR. In this scenario, we know that your string will always be 10 characters, so CHAR is appropriate.
– Will Ediger
Dec 30 '14...
Extract substring in Bash
...o-based) and "5" is the length. Also, +1 for @gontard 's link that lays it all out!
– Doktor J
Sep 12 '14 at 17:32
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How to join components of a path when you are constructing a URL in Python
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Specifically once I have that the prefix has to ends in / and that the target path can't begin in / I might as well just concatenate. In this case I am not sure if urljoin is really helping?
– amjoconn
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What do the terms “CPU bound” and “I/O bound” mean?
...U (doing calculations). A program that computes new digits of π will typically be CPU-bound, it's just crunching numbers.
A program is I/O bound if it would go faster if the I/O subsystem was faster. Which exact I/O system is meant can vary; I typically associate it with disk, but of course networ...
Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health
...WCF net.tcp service endpoint using WIF . It should authenticate incoming calls against our token server. The service is streamed because it is designed to transfer large amounts of data n stuff.
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