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Design patterns or best practices for shell scripts [closed]
...ngful names. declare the variables inside the function as local:
function foo {
local bar="$0"
}
Error prone situations
In bash, unless you declare otherwise, an unset variable is used as an empty string. This is very dangerous in case of typo, as the badly typed variable will not be reported...
What's the nearest substitute for a function pointer in Java?
... Main();
if(argv.length == 0)
{
methodName = "foo";
}
else
{
methodName = "bar";
}
method = Main.class.getDeclaredMethod(methodName, int.class);
main.car(method, 42);
}
private void foo(final int x)
...
How to keep the local file or the remote file during merge using Git and the command line?
...ge modification using vimdiff, but, assuming I just know that the entire file is good to keep or to throw away, how do I do that?
...
AngularJS - How to use $routeParams in generating the templateUrl?
...his issue too - the solution is to do something like $routeProvider.when("/foo", { controller : "FooController", controllerAs : "foo", templateUrl: "foo.html" });
– Erin Drummond
Sep 24 '14 at 22:36
...
How to search through all Git and Mercurial commits in the repository for a certain string?
...k for lines that match specified pattern.
You can use git log --grep=<foo> --grep=<bar> (or git log --author=<foo> --grep=<bar> that internally translates to two --grep) to find commits that match either of patterns (implicit OR semantic).
Because of being line-oriented, t...
Android encryption / decryption using AES [closed]
Is there a good example of how to encrypt and decrypt image and other files with AES on Android?
11 Answers
...
How to exclude a module from a Maven reactor build?
... <modules>
<module>common</module>
<module>foo</module>
<module>bar</module>
<modules>
...
<profiles>
<profile>
<id>expensive-modules-to-build</id>
<modules>
<module>data<...
Fix a Git detached head?
...in the index, don't delete the file first, just do
git checkout -- path/to/foo
This will restore the file foo to the state it is in the index.
If you want to keep your changes associated with the detached HEAD
Run git branch tmp - this will save your changes in a new branch called tmp.
Run git che...
Python nested functions variable scoping [duplicate]
...g a proper namespace instead of an array to encapsulate the variable:
def foo():
class local:
counter = 0
def bar():
print(local.counter)
local.counter += 1
bar()
bar()
bar()
foo()
foo()
I'm not sure if using a class object this way is considered an ug...
GetType() can lie?
...t.
What you did is akin to shadowing GetType, like this:
public class BadFoo
{
public new Type GetType()
{
return typeof(int);
}
}
with this class (and using the sample code from the MSDN for the GetType() method) you could indeed have:
int n1 = 12;
BadFoo foo = new BadFoo()...