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How to use arguments from previous command?
...t-3 Alt-Ctrl-y
Press Alt-- 2 Alt-Ctrl-y
Now you will see:
$ echo ace
By the way, you could have put the echo on the line by selecting argument 0:
Press Alt-0 Alt-Ctrl-y
Edit:
To answer the question you added to your original:
You can press Alt-0 then repeatedly press Alt-. to step through ...
What is null in Java?
...ll == null (this isn't always the case in other languages). Note also that by contract, it also has this special property (from java.lang.Object):
public boolean equals(Object obj)
For any non-null reference value x, x.equals(null) should return false.
It is also the default value (for v...
“register” keyword in C?
...
By this logic const is also be useless since it wins you nothing, you only loose the ability to change a variable. register could be used to make sure nobody takes the address of a variable in the future without thinking. I h...
Table overflowing outside of div
...
Turn it around by doing:
<style type="text/css">
#middlecol {
border-right: 2px solid red;
width: 45%;
}
#middlecol table {
max-width: 400px;
width: 100% !important;
}
</style>
Also I would advise you...
How does Junit @Rule work?
...execution of the method. This is an example of an out-of-box rule provided by Junit.
Similar behaviour can also be achieved by creating our own rules. Junit provides the TestRule interface, which can be implemented to create our own Junit Rule.
Here is a useful link for reference:
http://www.co...
“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
...PSHOT project needed
Check-out Strategy options:
Emulate clean checkout by first deleting unversioned files/ignored files, as well as files/directories ignored by svn:ignore, then execute svn update.
Always check out fresh copy
Use svn update as much possible, with svn revert before update
...
How to correctly implement custom iterators and const_iterators?
...ccess_iterator_tag.These base classes define all type definitions required by STL and do other work.
To avoid code duplication iterator class should be a template class and be parametrized by "value type", "pointer type", "reference type" or all of them (depends on implementation). For example:
// ...
How do you run CMD.exe under the Local System Account?
...hich demonstrates the use of PSTools from SysInternals (which was acquired by Microsoft in July, 2006.) I launched the command line via the following and suddenly I was running under the Local Admin Account like magic:
psexec -i -s cmd.exe
PSTools works well. It's a lightweight, well-documented s...
How do I use the nohup command without getting nohup.out?
...g nohup, that probably means you want to run the command in the background by putting another & on the end of the whole thing:
nohup command >/dev/null 2>&1 & # runs in background, still doesn't create nohup.out
On Linux, running a job with nohup automatically closes its input ...
Javascript - remove an array item by value [duplicate]
My situation:
10 Answers
10
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