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Why does C++ require a user-provided default constructor to default-construct a const object?
...ay thereof), X
is const-default-constructible,
if T is a union with at least one non-static data member, exactly one variant member has a default member initializer,
if T is not a union, for each anonymous union member with at least one non-static data member (if any), exactly one non-static d...
Remove all child elements of a DOM node in JavaScript
...
The currently accepted answer is wrong about innerHTML being slower (at least in IE and Chrome), as m93a correctly mentioned.
Chrome and FF are dramatically faster using this method (which will destroy attached jquery data):
var cNode = node.cloneNode(false);
node.parentNode.replaceChild(cNode,...
git: fatal: Could not read from remote repository
...this repo, didnt know the key removed, or what "removed" even means but at least I was able to get authenticated again. SSH is a total mystery to me even after months of dealing with authentication issues. ssh agent issues are one more thing to be aware of!
– Alex Bollbach
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Difference between int32, int, int32_t, int8 and int8_t
...-bit type among the types in C89, and if int is 64 bits, long has to be at least 64 bits too, so there'd often be no 32-bit type.
– Jerry Coffin
Nov 18 '14 at 6:43
2
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Gson: How to exclude specific fields from Serialization without annotations
...se the "transient" modifier, and this also applies to json serializers (at least it does to a few that I have used, including gson).
If you don't want name to show up in the serialized json give it a transient keyword, eg:
private transient String name;
More details in the Gson documentation
...
How to list containers in Docker
... ps -a, does NOT list it. seems you can only list images that have run at least once?
– ftravers
Dec 26 '17 at 5:49
d...
How to update SQLAlchemy row entry?
...ke SET no_of_logins = no_of_logins + 1, then you will need to commit or at least flush in between increments, or else you will only get one increment in total:
# 6 (bad)
user.no_of_logins = User.no_of_logins + 1
user.no_of_logins = User.no_of_logins + 1
session.commit()
# result: UPDATE user SET no...
Difference between Destroy and Delete
...e consuming when you’re removing many records at once. It
generates at least one SQL DELETE query per record (or possibly more,
to enforce your callbacks). If you want to delete many rows quickly,
without concern for their associations or callbacks, use delete_all
instead.
...
Using awk to remove the Byte-order mark
... It seems that the dot in the middle of the sub statement is too much (at least, my awk complains about it). Beside this it's exactly what I searched, thanks!
– Boldewyn
Jul 1 '09 at 12:21
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Convert generic List/Enumerable to DataTable?
...e from microsoft and only linked to the website the other solutions are at least more compliant with the answer best practices stackoverflow.com/help/how-to-answer
– Jürgen Steinblock
Mar 3 at 15:54
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