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map function for objects (instead of arrays)
...yObject);
// => { 'a': 2, 'b': 4, 'c': 6 }
But you could easily iterate over an object using for ... in:
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
for (var key in myObject) {
if (myObject.hasOwnProperty(key)) {
myObject[key] *= 2;
}
}
console.log(myObject);
// { '...
libpthread.so.0: error adding symbols: DSO missing from command line
When I'm compiling openvswitch-1.5.0, I've encountered the following compile error:
14 Answers
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Maven fails to find local artifact
...cy, which is built and packaged locally, cannot be found in the local repository while building another project that has it as a dependency. We get an error like:
...
Finding Variable Type in JavaScript
...n Java, you can use instanceOf or getClass() on a variable to find out its type.
9 Answers
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Is there a MySQL option/feature to track history of changes to records?
...
It's subtle.
If the business requirement is "I want to audit the changes to the data - who did what and when?", you can usually use audit tables (as per the trigger example Keethanjan posted). I'm not a huge fan of triggers,...
How do I clear only a few specific objects from the workspace?
...
You'll find the answer by typing ?rm
rm(data_1, data_2, data_3)
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Android Studio needs JDK 7 for Android-L mac
...rial design and I would like to use the new cards lib.
My Problem is, that it's giving me this error within my gradle file and I need to fix that.
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Specify sudo password for Ansible
...assword"
Update 2017: Ansible 2.2.1.0 now uses var ansible_become_pass. Either seems to work.
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Convert a series of parent-child relationships into a hierarchical tree?
...d/parent pairs to a tree structure and another recursive function to print it out. Only one function would suffice but here's two for clarity (a combined function can be found at the end of this answer).
First initialize the array of child/parent pairs:
$tree = array(
'H' => 'G',
'F' =&...
How to list the contents of a package using YUM?
...time-1.7/README
/usr/share/info/time.info.gz
On at least one RH system, with rpm v4.8.0, yum v3.2.29, and repoquery v0.0.11, repoquery -l rpm prints nothing.
If you are having this issue, try adding the --installed flag: repoquery --installed -l rpm.
DNF Update:
To use dnf instead of yum-util...