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How to check if a variable is set in Bash?
...ink to the POSIX standard, which references the chapter the table is taken from. One construct I use in almost any script I write is : ${FOOBAR:=/etc/foobar.conf} to set a default value for a variable if it is unset or null.
– Jens
Mar 10 '15 at 11:08
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Action Image MVC3 Razor
...s on your add here ... well I say good modification to the given code. +1 from me.
– Zack Jannsen
Jan 24 '13 at 15:17
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Java - sending HTTP parameters via POST method easily
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It's a very basic library. The programmer has to call it from background-thread, in AsyncTask, in IntentService, in Synchronization Handler and the like. And it doesn't depend on Android -> can be used in Java SE and EE as well.
– hgoebl
Ju...
What does a script-Tag with src AND content mean?
Example from Googles +1 button:
4 Answers
4
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How do I know the current width of system scrollbar?
...he scroll bar, the easiest way is to use the Control.ClientSize property.
From the documentation:
Gets or sets the height and width of the client area of the control.
The client area of a control is the bounds of the control, minus the nonclient elements such as scroll bars, borders, title ba...
Array extension to remove object by value
...y as an argument:
func removeObject<T : Equatable>(object: T, inout fromArray array: [T]) {
}
Or instead of modifying the original array, you can make your method more thread safe and reusable by returning a copy:
func arrayRemovingObject<T : Equatable>(object: T, fromArray array: [T...
How to unit test an object with database queries
...rate Data layer. My objects live in the core domain model and are accessed from my application layer. The application layer talks to both the data layer and the domain model layer.
The application layer is also sometimes called the "Business Layer".
If you are using PHP, create a specific set of c...
JSR-303 @Valid annotation not working for list of child objects
...: Hibernate Validator- Object Graph. (The list of passengers in Car)
Edit From Hibernate Validator 6 Reference doc:
In versions prior to 6, Hibernate Validator supported cascaded validation for a subset of container elements and it was implemented at the container level (e.g. you would use @Val...
How to compare two tags with git?
...kaiser lol! btw, I would like to add this tip to compare whole directories from within git gui at "tools/add" like git difftool -d $REVISION! and to link this answer too
– Aquarius Power
Jun 20 '14 at 6:09
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Split a string by a delimiter in python
...split("@")
After this line of code, the three variables will have values from three parts of the variable ev
So, if the variable ev contains this string and we apply separator '@':
Sa., 23. März@19:00@Klavier + Orchester: SPEZIAL
Then, after split operation the variable
date will have value ...