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Instantiate and Present a viewController in Swift
...*
Helper to Switch the View based on StoryBoard
@param StoryBoard ID as String
*/
func switchToViewController(identifier: String) {
let viewController = self.storyboard?.instantiateViewControllerWithIdentifier(identifier) as! UIViewController
self.navigationController?.setViewControllers(...
How to convert timestamps to dates in Bash?
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@mehaase - the man page notes that the date string is too complex to be documented in the manpage, so it is described in info: info '(coreutils) date invocation'
– MByD
Mar 23 '16 at 8:48
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How to sort by two fields in Java?
I have array of objects person (int age; String name;) .
16 Answers
16
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How can I convert a string to upper- or lower-case with XSLT?
... implements-prefix="utils" language="C#">
<![CDATA[
public string ToLower(string stringValue)
{
string result = String.Empty;
if(!String.IsNullOrEmpty(stringValue))
{
result = stringValue.ToLower();
}
return result;
}
...
ImageView - have height match width?
...gt;
See here
Deprecated:
According to this post by Android Developers, all you need to do now is to wrap whatever you want within a PercentRelativeLayout or a PercentFrameLayout, and then specify its ratios, like so
<android.support.percent.PercentRelativeLayout
android:layout_width="ma...
How to capture a list of specific type with mockito
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List<String> mockedList = mock(List.class);
List<String> l = new ArrayList();
l.add("someElement");
mockedList.addAll(l);
ArgumentCaptor<List> argumentCaptor = ArgumentCaptor.forClass(List.class);
verify(mockedL...
Jackson overcoming underscores in favor of camel-case
I retrieve a JSON string from internet; like most JSON I've seen it includes long keys that are separated by underscores. Essentially, my goal is to deserialize JSON into java-objects, but I don't use underscores in java-code.
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jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
I know jQuery has a helper method for parsing unit strings into numbers. What is the jQuery method to do this?
6 Answers
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How to merge every two lines into one from the command line?
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This awk solution can break if printf expansion strings like %s are found within $0. That failure can be avoided like this: 'NR%2{printf "%s ",$0;next;}1'
– ghoti
Mar 11 '14 at 13:21
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Swapping column values in MySQL
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Ok, so just for fun, you could do this! (assuming you're swapping string values)
mysql> select * from swapper;
+------+------+
| foo | bar |
+------+------+
| 6 | 1 |
| 5 | 2 |
| 4 | 3 |
+------+------+
3 rows in set (0.00 sec)
mysql> update swapper set
-...