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How can I print each command before executing? [duplicate]
What is the best way to set up a Bash script that prints each command before it executes it?
4 Answers
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How do I set up curl to permanently use a proxy? [closed]
How can I set up "curl" to permanently use a proxy server in the terminal?
4 Answers
4...
How to set environment variable or system property in spring tests?
...ome beans require that some environment variables or system properties are set. How can I set an environment variable before the spring beans are initialized when using the convenient test style with @ContextConfiguration?
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Nginx reverse proxy causing 504 Gateway Timeout
...w more line to increase the timeout period to upstream. The examples below sets the timeout to 300 seconds :
proxy_connect_timeout 300;
proxy_send_timeout 300;
proxy_read_timeout 300;
send_timeout 300;
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Interview question: Check if one string is a rotation of other string [closed]
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UITextView style is being reset after setting text property
I have UITextView *_masterText and after call method setText property font is being reset.
It's happening after I change sdk 7.
_masterText is IBOutlet , global and properties are set in storyboard. It's only me or this is general SDK bug?
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Set value to NULL in MySQL
I want a value to be set to NULL if nothing is put into the text box in the form I'm submitting. How can I make this happen?
I've tried inserting 'NULL' but this just adds the word NULL into the field.
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What is the difference between UNION and UNION ALL?
... 'foo' AS bar
Result:
+-----+
| bar |
+-----+
| foo |
+-----+
1 row in set (0.00 sec)
UNION ALL example:
SELECT 'foo' AS bar UNION ALL SELECT 'foo' AS bar
Result:
+-----+
| bar |
+-----+
| foo |
| foo |
+-----+
2 rows in set (0.00 sec)
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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
...declare @nextString nvarchar(4000)
declare @pos int, @nextPos int
set @nextString = ''
set @string = @string + @delimiter
set @pos = charindex(@delimiter, @string)
set @nextPos = 1
while (@pos <> 0)
begin
set @nextString = substring(@string, 1, @pos - 1)
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What's the difference between Unicode and UTF-8? [duplicate]
...o this group, you should
read this ultra short introduction to character sets and encodings.
Actually, comparing UTF-8 and Unicode is like comparing apples and
oranges:
UTF-8 is an encoding - Unicode is a character
set
A character set is a list of characters with unique numbers ...