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Bash ignoring error for a particular command
...ever printed.
Also, I want to add that when pipefail is on,
it is enough for shell to think that the entire pipe has non-zero exit code
when one of commands in the pipe has non-zero exit code (with pipefail off it must the last one).
$ set -o pipefail
$ false | true ; echo $?
1
$ set +o pipefail
$...
C++ performance vs. Java/C#
...stracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because of this intermediate step, however I've been told that the latest compilers ("hot spot") can attain this speed or even exceed it.
...
Ruby's ||= (or equals) in JavaScript?
I love Ruby's ||= mechanism. If a variable doesn't exist or is nil , then create it and set it equal to something:
6 Ans...
Best practices for circular shift (rotate) operations in C++
Left and right shift operators (>) are already available in C++.
However, I couldn't find out how I could perform circular shift or rotate operations.
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How to explain dependency injection to a 5-year-old? [closed]
...
I give you dependency injection for five-year-olds.
When you go and get things out of the refrigerator for yourself, you can cause problems. You might leave the door open, you might get something Mommy or Daddy doesn't want you to have. You might even be l...
How to get the type of T from a member of a generic class or method?
Let say I have a generic member in a class or method, so:
16 Answers
16
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How can I check for “undefined” in JavaScript? [duplicate]
...ariable has been declared regardless of its value, then using the in operator is the safest way to go. Consider this example:
// global scope
var theFu; // theFu has been declared, but its value is undefined
typeof theFu; // "undefined"
But this may not be the intended result for some cases, sinc...
When to use LinkedList over ArrayList in Java?
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Summary ArrayList with ArrayDeque are preferable in many more use-cases than LinkedList. If you're not sure — just start with ArrayList.
LinkedList and ArrayList are two different implementations of the List interface. LinkedList implements it with a doubly-linked list. ArrayL...
Is it possible to “decompile” a Windows .exe? Or at least view the Assembly?
...you can't really decompile an .exe, but can I at least view it in Assembly or attach a debugger?
16 Answers
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Defeating a Poker Bot
...ha inputs that are triggered by
suspicious activity.
Some poker sites monitor playing
times and patterns (i.e., worst case
scenario is a player who plays 24x7
and 16 tables continuously, there is
a tiny tiny chance this is a real
human. (However some players do have the ability to play very large ha...