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How to get all properties values of a JavaScript Object (without knowing the keys)?
...n for you:
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var val = obj[key];
// use val
}
}
The nested if makes sure that you don't enumerate over properties in the prototype chain of the object (which is the behaviour you almost certainly wa...
What is the relation between BLAS, LAPACK and ATLAS
...d gfortran). I have made MakeFiles which you can read to learn how you can call individual Fortran/FORTRAN routines in a C or C++ program. I have also put some installations instructions for mac and linux (sorry windows guys!). I have also made some bash .sh files for automatic compilation of some o...
Get query from java.sql.PreparedStatement [duplicate]
...'re lucky, the JDBC driver in question may return the complete SQL by just calling PreparedStatement#toString(). I.e.
System.out.println(preparedStatement);
To my experience, the ones which do so are at least the PostgreSQL 8.x and MySQL 5.x JDBC drivers. For the case your JDBC driver doesn't sup...
Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...d problems with update-package -reinstall <packagename> command, consider running it with -ignoreDependencies flag, like this:
update-package -reinstall <packagename> -ignoreDependencies
This flag will leave your package dependencies alone, otherwise they might got updated even if the...
When should you branch?
... specific as "let's fix bug 23"),
not to isolate a "resource".
(a branch called "VonC" means nothing to another developer: What if "VonC" leaves the project? What are you supposed to do with it?
a branch called "bugfix_212" can be interpreted in the context of a bug tracking system for instance, a...
Make error: missing separator
...rator" error because I had invoked a rule defining a function as
($eval $(call function,args))
rather than
$(eval $(call function,args))
i.e. ($ rather than $(.
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In a Bash script, how can I exit the entire script if a certain condition occurs?
...e the function without existing the shell, but without making the function caller care for the correct check of the return code of the function?
– jan
Dec 11 '18 at 9:15
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What's the opposite of chr() in Ruby?
...onvert between numbers and character values. In some languages, ord() is called asc() .
10 Answers
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How to skip over an element in .map()?
..., the code in the .filter() from the first sample is part of the .reduce() callback. The image source is only pushed onto the result array in the case where the filter operation would have kept it.
update — This question gets a lot of attention, and I'd like to add the following clarifying remark....
undefined method `source_index' for Gem:Module (NoMethodError)
...
Anyone using RVM can call rvm rubygems latest-1.8 to downgrade rubygems and fix this issue.
– martin
Sep 13 '13 at 10:12
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