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JavaScript regex multiline flag doesn't work
... issues, it is highly recommended to use the *? quantifier instead of * in order to avoid greediness. This will avoid catching the last <h1> of the document: that's probably not what you want and that's not efficient as the regexp will continue to look for <h1> until the end of the strin...
SQL Server: Difference between PARTITION BY and GROUP BY
... group by modifies the entire query, like:
select customerId, count(*) as orderCount
from Orders
group by customerId
But partition by just works on a window function, like row_number:
select row_number() over (partition by customerId order by orderId)
as OrderNumberForThisCustomer
from Order...
How to Set AllowOverride all
...
<Directory />
Options FollowSymLinks
AllowOverride All
Order allow,deny
Allow from all
</Directory>
Then restart your local server.
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How unique is UUID?
...ely generate a batch of 16,384 UUIDs within the span of a single "tick" in order to overflow the sequence number. I have seen this happen with an implementation that relied, naively, on a clock source that (1) had μs-level granularity, and (2) was not guaranteed to be monotonic (system clocks are ...
setImmediate vs. nextTick
...t loop, preventing any I/O from occurring. setImmediates are queued in the order created, and are popped off the queue once per loop iteration. This is different from process.nextTick which will execute process.maxTickDepth queued callbacks per iteration. setImmediate will yield to the event loop af...
How to create a temporary directory?
... I had to use mktemp -d -t <prefix>
– Heath Borders
Oct 3 '13 at 14:24
18
This is a OS X ...
How can you determine how much disk space a particular MySQL table is taking up?
...ze_mb, table_name FROM information_schema.tables WHERE table_schema='mydb' order by tablesize_mb; to get a list of all tables of mydb with name and size, ordered by size.
– kqw
Jun 15 '15 at 18:03
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What is the difference between currying and partial application?
...ied, becomes:
function f(x) { lambda(y) { lambda(z) { z(x(y)); } } }
In order to get the full application of f(x,y,z), you need to do this:
f(x)(y)(z);
Many functional languages let you write f x y z. If you only call f x y or f(x)(y) then you get a partially-applied function—the return valu...
Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui
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For those who didn't follow the MS proscribed order (see Xv's answer) you can still fix the problem.
MSBuild uses the VCTargetsPath to locate default cpp properties but cannot because the registry lacks this String Value.
Check for the String Value
Launch regedit
Na...
Why does Math.round(0.49999999999999994) return 1?
...ting, they took that bit out for Java 7 (the docs I linked to) -- maybe in order to avoid causing this sort of odd behavior by triggering a (further) loss of precision.
– T.J. Crowder
Mar 28 '12 at 7:46
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