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What happens when a computer program runs?
...ms. The "hole" is the size of your total memory, minus the space taken up by all the other areas; this gives a large amount of space for the heap to grow into. This is also "virtual", meaning it maps to your actual memory through a translation table, and may be actually stored at any location in a...
Google Sheets API Setup · App Inventor 2 中文网
...ctivated to use
developer tools, so if you have not already done so, begin by navigating to
https://www.google.com and create a google account. Once you have done so,
navigate to https://developers.google.com and sign in to your desired Google
Account. This does not need to be the google account whi...
Equals(=) vs. LIKE
...compares whole strings.
LIKE is a string operator that compares character by character.
To complicate matters, both operators use a collation which can have important effects on the result of the comparison.
Motivating Example
Let's first identify an example where these operators produce obvious...
postgresql COUNT(DISTINCT …) very slow
...w.postgresql.org which discusses the same thing: link. One of the replies (by Jeff Janes) says that COUNT(DISTINCT()) sorts the table to do its work instead of using hash.
– Ankur
Dec 9 '14 at 10:58
...
How do you change the server header returned by nginx?
... server you are
running and possibly what version.
This string is used by places like
Alexia and Netcraft to collect
statistics about how many and of what
type of web server are live on the
Internet. To support the author and
statistics for Nginx we recommend
keeping this string as i...
How do I finish the merge after resolving my merge conflicts?
... natural command:
git merge --continue
See commit c7d227d (15 Dec 2016) by Jeff King (peff).
See commit 042e290, commit c261a87, commit 367ff69 (14 Dec 2016) by Chris Packham (cpackham).
(Merged by Junio C Hamano -- gitster -- in commit 05f6e1b, 27 Dec 2016)
See 2.12 release notes.
merge: ...
python re.sub group: number after \number
... backreferences as described above,
\g will use the substring
matched by the group named name, as
defined by the (?P...) syntax.
\g uses the corresponding
group number; \g<2> is therefore
equivalent to \2, but isn’t ambiguous
in a replacement such as \g<2>0. \20
would ...
What's the difference between $evalAsync and $timeout in AngularJS?
...alAsync from a directive, it should run after the DOM has been manipulated by Angular, but before the browser renders
if code is queued using $evalAsync from a controller, it should run before the DOM has been manipulated by Angular (and before the browser renders) -- rarely do you want this
if code...
C/C++ include header file order
...nsen Yes, I was referring to overruling standard behavior. It could happen by accident just as, for example, breaking the ODR can happen by accident. The solution is not to use practices that hide when such accidents happen, but to use practices that are most likely to make them blow up as loudly as...
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
...
The oracle limit is 1000 parameters. The issue has been resolved by hibernate in version 4.1.7 although by splitting the passed parameter list in sets of 500
see JIRA HHH-1123
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