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How to detect a loop in a linked list?
... assert nodes[i].next == nodes[i + 1];
}
}
public static void main(String[] args) {
Node[] nodes = new Node[100];
for (int i = 0; i < nodes.length; i++) {
nodes[i] = new Node();
}
for (int i = 0; i < nodes.length - 1; i++) {
nodes[i].next = nodes[i + 1];...
Checking for NULL pointer in C/C++ [closed]
...ad and more explicit. I see where they're coming from, I just disagree the extra stuff makes it any easier. (I hate the macro, so I'm biased.) Up to you.
I disagree with your argument. If you're not getting warnings for assignments in a conditional, you need to turn your warning levels up. Simple a...
Five equal columns in twitter bootstrap
...
Update 2019
Bootstrap 4.1+
Here are 5 equal, full-width columns (no extra CSS or SASS) using the auto-layout grid:
<div class="container-fluid">
<div class="row">
<div class="col">1</div>
<div class="col">2</div>
<div class="...
Stash just a single file
...later simply rebase and/or merge the tmpbranch. It really isn't that much extra work when you need to do more careful tracking than stash will allow.
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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
...
Bootstrap 3
The Bootstrap 3 grid comes in 4 tiers (or "breakpoints")...
Extra small (for smartphones .col-xs-*)
Small (for tablets .col-sm-*)
Medium (for laptops .col-md-*)
Large (for laptops/desktops .col-lg-*).
These grid sizes enable you to control grid behavior on different widths. The diffe...
When should I use the “strictfp” keyword in java?
...latform. If you don't use strictfp, the JVM implementation is free to use extra precision where available.
From the JLS:
Within an FP-strict expression, all
intermediate values must be elements
of the float value set or the double
value set, implying that the results
of all FP-strict e...
How to group time by hour or by 10 minutes
...ind of guy)
In Oracle:
SELECT timeslot, COUNT(*)
FROM
(
SELECT to_char(l_time, 'YYYY-MM-DD hh24') timeslot
FROM
(
SELECT l_time FROM mytab
)
) GROUP BY timeslot
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Media Queries: How to target desktop, tablet, and mobile?
...ust above 400px wide (or 'above mobile size'), then two desktop-sizes, one extra-wide. You can then style the 'above mobile' breakpoint to work nicely on the iPad.
– Dave Everitt
May 17 '14 at 8:55
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How do I edit an existing tag message in git?
...
> }' | # extract all the dates from the info
> tail -2 | head -1)" `# get the second to last date, as the last one is the commit date` \
> git tag tag1 tag1^{} -a -f ...
Number of rows affected by an UPDATE in PL/SQL
...m a plain command, the solution could be:
begin
DBMS_OUTPUT.PUT_LINE(TO_Char(SQL%ROWCOUNT)||' rows affected.');
end;
The basic problem is that SQL%ROWCOUNT is a PL/SQL variable (or function), and cannot be directly accessed from an SQL command. By using a noname PL/SQL block, this can be achiev...