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Is there an eval() function in Java? [duplicate]
...anager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("js");
Object result = engine.eval("4*5");
There may be a better way, but this one works.
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Static variable inside of a function in C
... (unlike auto variable) and further definition of static variable would be bypassed during runtime. And if it is not initialised manually, it is initialised by value 0 automatically.
So,
void foo() {
static int x = 5; // assigns value of 5 only once
x++;
printf("%d", x);
}
int main() ...
How do I create a multiline Python string with inline variables?
...you need. If you don't know which you need, because the string is supplied by the user, the "variables" should be items in a dict anyway.
– agf
Apr 11 '12 at 19:35
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In Javascript, how to conditionally add a member to an object?
...ted out, using es6 is a better approach. But we can add a bit more sugar, by using the spread operator, and logical AND short circuit evaluation:
const a = {
...(someCondition && {b: 5})
}
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Meaning of 'const' last in a function declaration of a class?
...st methods and not about const objects.
– Mykola Golubyev
Apr 15 '09 at 14:14
Thanks for the "The idea behind const th...
How do you remove an invalid remote branch reference from Git?
...e branches have already been removed from the remote repository referenced by <name>, but are still locally available in "remotes/<name>".
With --dry-run option, report what branches will be pruned, but do no actually prune them.
However, it appears these should have been cleaned ...
How do I detect IE 8 with jQuery?
... clever ... but worth noting that you need check the current classes added by the conditionals in HTML5BP. At the moment I think the class is lt-ie9 AOT ie8
– byronyasgur
Mar 11 '13 at 20:31
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CSS technique for a horizontal line with words in the middle
...
This is roughly how I'd do it: the line is created by setting a border-bottom on the containing h2 then giving the h2 a smaller line-height. The text is then put in a nested span with a non-transparent background.
h2 {
width: 100%;
text-align: center;
borde...
How should I use git diff for long lines?
...
The display of the output of git diff is handled by whatever pager you are using.
Commonly, under Linux, less would be used.
You can tell git to use a different pager by setting the GIT_PAGER environment variable. If you don't mind about paging (for example, your terminal...
“Treat all warnings as errors except…” in Visual Studio
...en another team we depend on could unknowingly break our team's build just by adding an obsolete attribute.
– Neil
Nov 6 '08 at 17:30
...