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What does the ??!??! operator do in C?
...sign of sophistication. Besides being really the only decent OS, Unix also converted your upper case to lower, rather than vice versa. Those guys were really cool.
– DigitalRoss
Oct 26 '11 at 2:45
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Use URI builder in Android or create URL with variables
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No need convert UTF8 content?
– Webserveis
Apr 5 '17 at 20:24
add a comment
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MySQL: Sort GROUP_CONCAT values
... see http://dev.mysql.com/doc/refman/...tions.html#function_group-concat:
SELECT student_name,
GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ')
FROM student
GROUP BY student_name;
share
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what is Promotional and Feature graphic in Android Market/Play Store?
...s above are now broken but the detailed information can be found here
Selected applications have the ability
to be featured atop their respective
categories. This is not a guaranteed
feature, but uploading promotional
graphics is something that we
recommend.
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UITextView that expands to text using auto layout
...nt(equalTo: safeArea.trailingAnchor)
])
To do this in Interface Builder, select the text view, uncheck Scrolling Enabled in the Attributes Inspector, and add the constraints manually.
Note: If you have other view/s above/below your text view, consider using a UIStackView to arrange them all.
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How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
...ay having said that,
If you have a Calendar instance you can use below to convert it to the new java.time,
Calendar calendar = Calendar.getInstance();
long longValue = calendar.getTimeInMillis();
LocalDateTime date =
LocalDateTime.ofInstant(Instant.ofEpochMilli(lo...
How to create a file in memory for user to download, but not through server?
... The correct charset is almost certainly UTF-16, unless you have code converting it to UTF-8. JavaScript uses UTF-16 internally. If you have a text or CSV file, start the string with '\ufeff', the Byte Order Mark for UTF-16BE, and text editors will be able to read non-ASCII characters correctly...
Efficient paging in SQLite with millions of records
...red field(s), and continue just after them when displaying the next page:
SELECT *
FROM MyTable
WHERE SomeColumn > LastValue
ORDER BY SomeColumn
LIMIT 100;
(This is explained with more detail on the SQLite wiki.)
When you have multiple sort columns (and SQLite 3.15 or later), you can use a ro...
Removing input background colour for Chrome autocomplete?
...ent stylesheet shows :-internal-autofill-previewed and :-internal-autofill-selected pseudoclasses instead of -webkit-autofill... Mysteriously however, -webkit-autofill still works. I personally didn't need the !important.
– Andy
Apr 12 '19 at 6:48
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What is the most elegant way to remove a path from the $PATH variable in Bash?
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Here's the simplest solution i can devise:
#!/bin/bash
IFS=:
# convert it to an array
t=($PATH)
unset IFS
# perform any array operations to remove elements from the array
t=(${t[@]%%*usr*})
IFS=:
# output the new array
echo "${t[*]}"
The above example will remove any element in $PATH t...