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How do I use sudo to redirect output to a location I don't have permission to write to?
...rformed by your shell which does not have the permission to write to /root/test.out. The redirection of the output is not performed by sudo.
There are multiple solutions:
Run a shell with sudo and give the command to it by using the -c option:
sudo sh -c 'ls -hal /root/ > /root/test.out'
Cre...
How to “perfectly” override a dict?
...nsform__(self, key):
return key.lower()
s = MyTransformedDict([('Test', 'test')])
assert s.get('TEST') is s['test'] # free get
assert 'TeSt' in s # free __contains__
# free setdefault, __eq__, and so on
import pickle
# works too sinc...
Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...ementation that you can do though:
Say this is your json:
{
"str1": "test one",
"str2": "two test"
}
and you want to bind it to the two params here:
@RequestMapping(value = "/Test", method = RequestMethod.POST)
public boolean getTest(String str1, String str2)
First define a custom ann...
Mockito. Verify method arguments
...entCaptor<Person> captor;
//... MockitoAnnotations.initMocks(this);
@Test public void test() {
//...
verify(mock).doSomething(captor.capture());
assertEquals("John", captor.getValue().getName());
}
share
...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
...
Have tested Buffer -> ArrayBuffer with a module intended for browser use and it is working brilliantly. Thanks!
– pospi
May 26 '14 at 2:49
...
Windows batch files: .bat vs .cmd?
... :label
Order of Execution:
If both .bat and .cmd versions of a script (test.bat, test.cmd) are in the same folder and you run the script without the extension (test), by default the .bat version of the script will run, even on 64-bit Windows 7. The order of execution is controlled by the PATHEXT...
What is the 'instanceof' operator used for in Java?
...
instanceof keyword is a binary operator used to test if an object (instance) is a subtype of a given Type.
Imagine:
interface Domestic {}
class Animal {}
class Dog extends Animal implements Domestic {}
class Cat extends Animal implements Domestic {}
Imagine a dog objec...
How to create the most compact mapping n → isprime(n) up to a limit N?
...
There are many ways to do the primality test.
There isn't really a data structure for you to query. If you have lots of numbers to test, you should probably run a probabilistic test since those are faster, and then follow it up with a deterministic test to make su...
How to prevent caching of my Javascript file? [duplicate]
...incrementing the querystring each time you make a change:
<script src="test.js?version=1"></script>
Or if you are using a server side language, you could automatically generate this:
ASP.NET:
<script src="test.js?rndstr=<%= getRandomStr() %>"></script>
More info ...
How do I check if file exists in Makefile so I can delete it?
...ng on one line with the && operator in bash.
Then you can use a test command to test if the file does exist, e.g.:
test -f myApp && echo File does exist
-f file True if file exists and is a regular file.
-s file True if file exists and has a size greater tha...