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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
...L but offers additional features, most notably method invocation and basic string templating functionality."
– Fritz Duchardt
Jun 17 '15 at 8:23
add a comment
...
Bash script to set up a temporary SSH tunnel
...l $PID", because bash will only interpolate variables inside double quoted strings
– JuanCaicedo
Jan 5 '17 at 20:11
1
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How do I unset an element in an array in javascript?
... arrays like those you might be used to from PHP. If your "array key" is a string, you're no longer operating on the contents of an array. Your array is an object, and you're using bracket notation to access the member named <key name>. Thus:
var myArray = [];
myArray["bar"] = true;
myArray[...
How to create and handle composite primary key in JPA
...ddedId
private MyKey myKey;
@Column(name = "ColumnA")
private String columnA;
/** Your getters and setters **/
}
@Embeddable
public class MyKey implements Serializable {
@Column(name = "Id", nullable = false)
private int id;
@Column(name = "Version", nullable = fa...
Perform Segue programmatically and pass parameters to the destination view
...* dataModel;
in the .m file:
@synthesize dataModel;
dataModel can be string, int, or like in this case it's a model that contains many items
- (void)someMethod {
[self performSegueWithIdentifier:@"loginMainSegue" sender:self];
}
OR...
- (void)someMethod {
UIViewController *myCont...
How to use phpexcel to read data and insert into database?
... not work. i had to replace $highestColumn = PHPExcel_Cell::columnIndexFromString($sheet->getHighestColumn()); with simple $sheet->getHighestColumn(). you may have a bug in the code as you try to get the column index from the string - BUT try to access it via $highestColumn.$row in the loop (w...
Command line to remove an environment variable from the OS level configuration
...Ptr SendMessageTimeout(
IntPtr hWnd, uint Msg, UIntPtr wParam, string lParam,
uint fuFlags, uint uTimeout, out UIntPtr lpdwResult);
"@
}
$HWND_BROADCAST = [intptr]0xffff;
$WM_SETTINGCHANGE = 0x1a;
$result = [uintptr]::zero
[win32.nativemethods]::SendMessageTimeout($...
stash@{1} is ambiguous?
...n Windows"
(setcar (nthcdr 2 args)
(replace-regexp-in-string "{\\([0-9]+\\)}" "\\\\{\\1\\\\}" (elt args 2)))
)
)
This will quote {} in a 3rd parameter in ("stash", "cmd", "stash@{0}") which is run by magit-run-git
...
How to randomly sort (scramble) an array in Ruby?
... shuffle and shuffle! to a bunch of core classes including Array, Hash and String.
Just be careful if you're using Rails as I experienced some nasty clashes in the way its monkeypatching clashed with Rails'...
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How to set ViewBag properties for all Views without using a base class for Controllers?
...nother way
Creating an extension method on HtmlHelper
[Extension()]
public string MyTest(System.Web.Mvc.HtmlHelper htmlHelper)
{
return "This is a test";
}
Then you can use it in all views
@Html.MyTest()
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