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How do I set $PATH such that `ssh user@host command` works?
I can't seem to set a new $PATH such that it is used when executing commands via ssh user@host command . I have tried adding export PATH=$PATH:$HOME/new_path to ~/.bashrc and ~/.profile on the remote machine, but executing ssh user@host "echo \$PATH" shows that the change has not been picked u...
Add … if string is too long PHP [duplicate]
.... If the string in the description field is less than 50 characters, then it won't show ... , but if it isn't, I will show ... after the first 50 characters.
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How do I get the current GPS location programmatically in Android?
... to get my current location using GPS programmatically.
How can i achieve it?
23 Answers
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What does the “assert” keyword do? [duplicate]
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If you launch your program with -enableassertions (or -ea for short) then this statement
assert cond;
is equivalent to
if (!cond)
throw new AssertionError();
If you launch your program without this option, the assert statement will have no eff...
Using Java 8 to convert a list of objects into a string obtained from the toString() method
There are a lot of useful new things in Java 8. E.g., I can iterate with a stream over a list of objects and then sum the values from a specific field of the Object 's instances. E.g.
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List comprehension rebinds names even after scope of comprehension. Is this right?
Comprehensions are having some unexpected interactions with scoping. Is this the expected behavior?
6 Answers
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How to delete cookies on an ASP.NET website
In my website when the user clicks on the "Logout" button, the Logout.aspx page loads with code Session.Clear() .
10 Answe...
Use of “global” keyword in Python
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So the above code will give you:
locally defined
locally defined
In addition, due to the nature of python, you could also use global to declare functions, classes or other objects in a local context. Although I would advise against it since it causes nightmares if something goes wrong or needs d...
How do I analyze a .hprof file?
I have a production server running with the following flag: - XX:+HeapDumpOnOutOfMemoryError
7 Answers
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When to use std::begin and std::end instead of container specific versions [duplicate]
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If you look at, say, the definition of std::begin:
template< class C >
auto begin( C& c ) -> decltype(c.begin());
You see that all it does is reference the begin() anyway. I suppose a decent compiler will make the difference nil, so I gu...