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Install MySQL on Ubuntu without a password prompt
...ain password your_password'
sudo apt-get -y install mysql-server
For specific versions, such as mysql-server-5.6, you'll need to specify the version in like this:
sudo debconf-set-selections <<< 'mysql-server-5.6 mysql-server/root_password password your_password'
sudo debconf-set-selecti...
Weird Integer boxing in Java
...
The true line is actually guaranteed by the language specification. From section 5.1.7:
If the value p being boxed is true,
false, a byte, a char in the range
\u0000 to \u007f, or an int or short
number between -128 and 127, then let
r1 and r2 be the results of any two
...
Can you make just part of a regex case-insensitive?
... of your regular expression case-insensitive by using the (?i:) pattern modifier.
Modern regex flavors allow you to apply modifiers to only part of the regular expression. If you insert the modifier (?ism) in the middle of the regex, the modifier only applies to the part of the regex to the right o...
DISTINCT for only one column
...
If you are using SQL Server 2005 or above use this:
SELECT *
FROM (
SELECT ID,
Email,
ProductName,
ProductModel,
...
How to pipe stdout while keeping it on screen ? (and not to a output file)
...too.
echo 'ee' | tee /dev/tty | foo
Reference: The Open Group Base Specifications Issue 7
IEEE Std 1003.1, 2013 Edition, §10.1:
/dev/tty
Associated with the process group of that process, if any. It is
useful for programs or shell procedures that wish to be sure of
writing messages...
Reliable timer in a console application
...k Class Library ). I have chosen a threaded timer as the other types can drift if the main thread is busy, and I need this to be reliable.
...
How can I remove a trailing newline?
...t of Perl's chomp function, which removes the last character of a string if it is a newline?
28 Answers
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showDialog deprecated. What's the alternative?
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Deprecated isn't the same thing as gone. If a deprecated function still works, and an alternative isn't available on the older platforms I want to support, I go ahead and use it anyway.
– Edward Falk
Sep 14 '12 at 19:07
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How to add multiple columns to a table in Postgres?
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ALTER TABLE IF EXISTS TABLEname
add ADD COLUMN IF NOT EXISTS column_name data_type [column_constraint];
detailed query where column_constraints are optional
...
adb shell command to make Android package uninstall dialog appear
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No, if your app contains an activated DevicePolicyManager, you will have to manually disable it first.
– pcans
Jun 24 '13 at 8:23
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