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How to avoid 'cannot read property of undefined' errors?
...ects will scale multiple levels of fields (ie. entries.users.messages.date etc., where not all cases have data entered)
– Ari
Feb 8 '13 at 22:23
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When would anyone use a union? Is it a remnant from the C-only days?
..., or implement long double arithmetic for a CPU which does not support it, etc.
Saving storage space when fields are dependent on certain values:
class person {
string name;
char gender; // M = male, F = female, O = other
union {
date vasectomized; // for males ...
What is the 'override' keyword in C++ used for? [duplicate]
...s expecting a callback but it will never happen due to the library change, etc.
– Hei
Mar 11 '18 at 5:32
I don't think...
What does [:] mean?
... be of value to raise dead questions. Different insight, different wording etc. In this case you corrected the answer and they hopefully learnt something too.
– Pryftan
Apr 19 at 15:17
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Uninstall Node.JS using Linux command line?
... code below
sudo rm -rf /var/cache/yum
sudo yum remove -y nodejs
sudo rm /etc/yum.repos.d/nodesource*
sudo yum clean all
And add new nodejs version to "yum" an new version of node
#using this command for Node version 8
curl --silent --location https://rpm.nodesource.com/setup_8.x | sudo bash -
...
Comparing mongoose _id and strings
...lts.userId is a valid identifier with results.userId instanceof ObjectID.
Etc.
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pass post data with window.location.href
...any sensitive / personal data (i.e names, addresses, emails addresses, DOB etc) in either of these.
Session Storage is a more secure option for anything sensitive, it's only accessible to the origin that set the items and also clears as soon as the browser / tab is closed.
IndexDB is a littl...
Ignore .pyc files in git repository
...e directory, it is enough to put it in a parent directory (or grandparent, etc).
– Godsmith
Jun 2 '15 at 8:21
@Godsmit...
Why is my git repository so big?
... instead of just branchname). So I went a step further and executed some sketchy surgery--I deleted the .git/objects directory from the original, and put in the one from the clone. That did the trick, leaving all of the original branches, refs, etc intact, and everything seems to work (crossing fing...
What does the caret operator (^) in Python do?
...an do binary numbers by typing 0bX where X is your binary. 0b0001, 0b0010, etc. So, 0b1101 ^ 0b1110 would give you 0b0011 (or 3).
– Jeff
Jul 28 '15 at 23:58
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