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sqlite database default time value 'now'
... will save your timestamps in ISO-8601 (a text format), taking up about 24 bytes in the database per date. You can save space by just using an INTEGER(4) column, and storing the unix time via "INSERT INTO test (t) values (strftime("%s", CURRENT_TIME));"
– mckoss
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Multiple inputs with same name through POST in php
...n
indefinite amount of information through a form and get it processed
by the server simply by looping through the array of items with the
name "xyz".
Note that this is probably the wrong solution. Obviously, it depends on the data you are sending.
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How can you speed up Eclipse?
...Newer versions have more bundled plugins, but still the trend is obvious. (by "same" workspace I mean: same (additionally installed) plugins used, same projects checked out from version control).
Launching it with the latest JDK (Java 14 at the time of writing, which does not prevent you to compil...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
... it is not 2NF, and thus not 3NF or BCNF. It is 1NF. Making it 2NF would bypass the problem you are trying to illustrate.
– Daniel Barbalace
Feb 21 '17 at 18:50
4
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Named colors in matplotlib
...lor list sorted in columns. The order is not identical to how I would sort by eye, but I think it gives a good overview.
I updated the image and code to reflect that 'rebeccapurple' has been added and the three sage colors have been moved under the 'xkcd:' prefix since I posted this answer original...
Maintain aspect ratio of div but fill screen width and height in CSS?
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}
This is very similar in vein to the max-width and max-height approach by @Danield, just more flexible.
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Does using “new” on a struct allocate it on the heap or stack?
...he stack". It's more complicated than that (and made even more complicated by C# 2). I have an article on the topic and will expand on it if requested, but let's deal with just the new operator.
Secondly, all of this really depends on what level you're talking about. I'm looking at what the compile...
Always pass weak reference of self into block in ARC?
...ect will be deallocated properly.
Because, in a situation like this, self by definition already has a strong reference to the block, it's usually easiest to resolve by making an explicitly weak reference to self for the block to use:
__weak MyObject *weakSelf = self;
[self setMyBlock:^(id obj, NSU...
Query an XDocument for elements by name at any depth
...amespace. That's why you have to use Name.LocalName if you want to compare by name.
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Pure virtual function with implementation
...icitly call the base class implementation (if access permissions allow it) by using a fully-scoped name (by calling A::f() in your example - if A::f() were public or protected). Something like:
class B : public A {
virtual void f() {
// class B doesn't have anything special to do for ...