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Dynamic variable names in Bash
...
156
Use an associative array, with command names as keys.
# Requires bash 4, though
declare -A mag...
Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...ean localhost?
– oneofakind
Apr 6 '15 at 1:56
6
@oneofakind He means to connect to 'localhost" in...
Dynamically Changing log4j log level
...|
edited Oct 29 '13 at 23:55
answered Jan 4 '11 at 21:51
Aa...
Adding an identity to an existing column
... (
Id int NOT NULL
IDENTITY(1, 1),
Name varchar(50) NULL
)
ON [PRIMARY]
go
SET IDENTITY_INSERT dbo.Tmp_Names ON
go
IF EXISTS ( SELECT *
FROM dbo.Names )
INSERT INTO dbo.Tmp_Names ( Id, Name )
SELECT Id,
Name
...
Evaluate expression given as a string
...
The eval() function evaluates an expression, but "5+5" is a string, not an expression. Use parse() with text=<string> to change the string into an expression:
> eval(parse(text="5+5"))
[1] 10
> class("5+5")
[1] "character"
> class(parse(text="5+5"))
[1] "expr...
Case conventions on element names?
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answered Jul 2 '09 at 15:18
Pete KirkhamPete Kirkham
46k55 gold badges8686 silver badges157157 bronze badges
...
How do I make a WinForms app go Full Screen
...
150
To the base question, the following will do the trick (hiding the taskbar)
private void Form1_...
React JSX: selecting “selected” on selected option
...HoldOffHunger
7,84044 gold badges4444 silver badges8585 bronze badges
answered Feb 12 '14 at 18:09
Sophie AlpertSophie Alpert
120k...
Difference between volatile and synchronized in Java
...t on modern 64 bit hardware. Under the new (JSR-133) memory model for Java 5+, the semantics of volatile have been strengthened to be almost as strong as synchronized with respect to memory visibility and instruction ordering (see http://www.cs.umd.edu/users/pugh/java/memoryModel/jsr-133-faq.html#vo...
How to install PostgreSQL's pg gem on Ubuntu?
...
Jonah
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answered Jun 25 '10 at 6:56
shingarashingara
...