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SQL command to display history of queries
...ation files (e.g. edit /etc/mysql/my.cnf, then restart to apply changes).
Now, if you'd like you can tail -f /var/log/mysql/mysql.log
More info here: Server System Variables
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Replace a character at a specific index in a string?
...d/or to modify its value
valueField.setAccessible(true);
//now we get the array the String instance is actually using
char[] value = (char[])valueField.get(text);
//The 13rd character is the "s" of the word "Test"
value[12]='x';
//We display the string...
Git/GitHub can't push to master
...o an issue. I created a test project and added it to the local repository. Now I am trying to add files/project to the remote repository.
...
Multiply TimeSpan in .NET
...kedeKlerk Agreed, but that is more syntactic sugar. The OP still needs to know the root of the answer so that it can be applied inside any method, extension or not
– Justin Pihony
Apr 11 '13 at 15:38
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Custom Compiler Warnings
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Update
This is now possible with Roslyn (Visual Studio 2015). You can build a code analyzer to check for a custom attribute
I don't believe it's possible. ObsoleteAttribute is treated specially by the compiler and is defined in the C# st...
What does '
... [1] => $a
[2] => 1
)
[2] => ; // UNKNOWN (because it is optional (ignored))
[3] => Array
(
[0] => 369 // T_CLOSE_TAG
[1] => ?>
[2] => 1
)
)
You can use this code to test it yourself:
$tok...
Can git be integrated with Xcode?
.... You bring up DTerm in a floating window with a key combination. DTerm knows the full path to the current document in the editor.
For Example to run a diff on the file you are editing you:
1) Press Ctrl-Return to bring up the DTerm window. (This key combo is configurable).
2) type 'git diff c...
Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
...
I've been using Xcode for 5 years now, and refactoring has never worked correctly (even xcode 4.6 has major bugs where it WILL corrupt your source code!).
The workaround has always been (still works 100%, even in cases where Apple's code fails)
use shift-c...
How to test a confirm dialog with Cucumber?
...
The selenium driver now supports this
From Capybara you would access it like this:
page.driver.browser.switch_to.alert.accept
or
page.driver.browser.switch_to.alert.dismiss
or
page.driver.browser.switch_to.alert.text
...
rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...dit application.rb: config.assets.precompile += %w( first.css second.js ). Now these files will compile as well. Don't add all files if you use them only in sprockets require, but only if you include them with <link>/<script>
– elado
Jan 9 '13 at 10...