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SQL exclude a column using SELECT * [except columnA] FROM tableA?
...you could use SET @variable = (SELECT ... FOR XML PATH('')) to concatenate strings.
Use the ISNULL function to prepend a comma only if this is not the
first column name.
Use the QUOTENAME function to support spaces and punctuation in column names.
Use the WHERE clause to hide columns we don't want t...
Using current time in UTC as default value in PostgreSQL
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Correction: The 'utc' string must also be single-quoted, not double-quoted.
– code_dredd
Nov 22 '19 at 1:11
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How to set focus on input field?
...ing '@' we compare the trigger value to "true" since @ always results in a string.
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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
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The window.navigator.platform property is not spoofed when the userAgent string is changed.
I tested on my Mac if I change the userAgent to iPhone or Chrome Windows, navigator.platform remains MacIntel.
The property is also read-only
I could came up with the following table
Mac Compute...
How to understand Locality Sensitive Hashing?
...shadow analogy is still very useful to me.
Now we can efficiently compare strings of bits in software. A fixed length bit string is kinda, more or less, like a line in a single dimension.
So with an LSH, I project the shadows of objects eventually as points (0 or 1) on a single fixed length line/...
Differences between action and actionListener
...cessary handle navigation. The action method can (thus, not must) return a String which will be used as navigation case outcome (the target view). A return value of null or void will let it return to the same page and keep the current view scope alive. A return value of an empty string or the same v...
What is an SSTable?
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Sorted Strings Table (borrowed from google) is a file of key/value string pairs, sorted by keys
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How to use the same C++ code for Android and iOS?
...ves the desired text:
#include <iostream>
const char *concatenateMyStringWithCppString(const char *myString);
And the CPP implementation:
#include <string.h>
#include "Core.h"
const char *CPP_BASE_STRING = "cpp says hello to %s";
const char *concatenateMyStringWithCppString(const ...
How to convert an array to object in PHP?
...y and '240' on production - massive dissaster. Morover if conversion fails string get's returned as NULL
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how to File.listFiles in alphabetical order?
...ith "xml" just do:
Files.list(Paths.get(dirName))
.filter(s -> s.toString().endsWith(".xml"))
.sorted()
.forEach(System.out::println)
Again, replace the printing with whichever processing operation you would like.
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