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jQuery Multiple ID selectors
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This answer will definitely work but ideally any plugin logic should apply to all the matched elements.
– ShankarSangoli
Aug 16 '11 at 14:12
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Get login username in java
...spired by @newacct's answer, a code that can be compiled in any platform:
String osName = System.getProperty( "os.name" ).toLowerCase();
String className = null;
String methodName = "getUsername";
if( osName.contains( "windows" ) ){
className = "com.sun.security.auth.module.NTSystem";
meth...
“Submit is not a function” error in JavaScript
...your call will magically work.
When you name the button submit, you override the submit() function on the form.
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How do I get the base URL with PHP?
...omething like:
// array(3) {
// ["scheme"]=>
// string(4) "http"
// ["host"]=>
// string(12) "stackoverflow.com"
// ["path"]=>
// string(35) "/questions/2820723/"
// }
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Android Fragment lifecycle over orientation changes
... FragmentOne fragment = new FragmentOne();
fragmentTransaction.add(R.id.fragment_container, fragment);
fragmentTransaction.commit();
} else {
// do nothing - fragment is recreated automatically
}
Be warned though: problems will occur if you try and access Activity Views from ...
What's the difference between size_t and int in C++?
...t is unsigned. Many stdlib functions, including malloc, sizeof and various string operation functions use size_t as a datatype.
An int is signed by default, and even though its size is also platform dependant, it will be a fixed 32bits on most modern machine (and though size_t is 64 bits on 64-bits...
Multiple github accounts on the same computer?
...epositories using different personas, you need to make sure that your individual repositories have the user settings overridden accordingly:
Setting user name, email and GitHub token – Overriding settings for individual repos
https://help.github.com/articles/setting-your-commit-email-address-in-g...
What does the “static” modifier after “import” mean?
...classes. Where I used to have to do this:
import org.apache.commons.lang.StringUtils;
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if (StringUtils.isBlank(aString)) {
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I can do this:
import static org.apache.commons.lang.StringUtils.isBlank;
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if (isBlank(aString)) {
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Add a reference column migration in Rails 4
...b:migrate.
This migration will take care of adding a new column named user_id to uploads table (referencing id column in users table), PLUS it will also add an index on the new column.
UPDATE [For Rails 4.2]
Rails can’t be trusted to maintain referential integrity; relational databases come to o...
Check a radio button with javascript
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Do not mix CSS/JQuery syntax (# for identifier) with native JS.
Native JS solution:
document.getElementById("_1234").checked = true;
JQuery solution:
$("#_1234").prop("checked", true);
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