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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...rocessor, but decrease performance on your particular processor (and the same applies to -Os). If you try the same example on different processors, you will find that on some of them benefit from -O2 while other are more favorable to -Os optimizations.
Here are the results for time ./test 0 0 on se...
Is there a way to hide the scroll indicators in a UIScrollView?
...ose indicators disturb the user interaction. Can I subclass and override a method or do something similar to remove the scroll indicators from the scroll view?
...
Handling colon in element ID with jQuery
We are not able to access the div element with ID "test: abc" in JS code using jQuery.
9 Answers
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How to alter SQL in “Edit Top 200 Rows” in SSMS 2008
In SQL Server 2008 Management Studio, when I right click on a database table and choose " Select Top 100 Rows ", I can then e.g. easily add a "ORDER BY " statement to the SQL. That works fine .
...
How to disable an Android button?
...ns two buttons, Next and Previous. In between the buttons I'm generating some dynamic views. So when I first launch the application I want to disable the "Previous" button since there wont be any previous views. I also want to disable the "Next" button when there are not more views to display. Is th...
Where are shared preferences stored?
...red in an xml file in the app data folder, i.e.
/data/data/YOUR_PACKAGE_NAME/shared_prefs/YOUR_PREFS_NAME.xml
or the default preferences at:
/data/data/YOUR_PACKAGE_NAME/shared_prefs/YOUR_PACKAGE_NAME_preferences.xml
SharedPreferences added during runtime are not stored in the Eclipse project....
How to add http:// if it doesn't exist in the URL?
...
Having compared addhttp and addscheme below, I've come to the conclusion that addscheme is better in terms of performance: $url = "www.google.com"; $init = microtime(true); for( $i = 1; $i < 100000; $i++ ) { addScheme( $url ); } echo microtime(true) - $...
How do I access my SSH public key?
... Even though I see the file in the place it's referring to (C:/Users/Me/.ssh/.id_rsa.pub), these commands are producing an error: No such file or directory. I'm doing this from Git Bash, MyPC ~/.ssh
– sscirrus
Sep 30 '10 at 6:17
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How to insert a value that contains an apostrophe (single quote)?
...ES
('Joe', 'O''Brien')
/\
right here
The same applies to SELECT queries:
SELECT First, Last FROM Person WHERE Last = 'O''Brien'
The apostrophe, or single quote, is a special character in SQL that specifies the beginning and end of string data. This means that to ...
Using JQuery to check if no radio button in a group has been checked
...
if (!$("input[name='html_elements']:checked").val()) {
alert('Nothing is checked!');
}
else {
alert('One of the radio buttons is checked!');
}
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