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MySql Table Insert if not exist otherwise update
... MySQL performs an [UPDATE`](http://dev.mysql.com/doc/refman/5.7/en/update.html) of the old row...
The ON DUPLICATE KEY UPDATE clause can contain multiple column assignments, separated by commas.
With ON DUPLICATE KEY UPDATE, the affected-rows value per row is 1 if the row is inserted as a...
Error: could not find function … in R
...4.3/topics/hasName nor https://stat.ethz.ch/R-manual/R-devel/library/utils/html/hasName.html say "introduced in R 3.4.0" I ended up figuring it out by browsing through github repos and look at the blame for utils/R/hasName.R and base/R/match.R
– mpag
Mar 12 '1...
What are all the possible values for HTTP “Content-Type” header?
...ontent type here:
http://www.iana.org/assignments/media-types/media-types.xhtml
The most common type are:
Type application
application/java-archive
application/EDI-X12
application/EDIFACT
application/javascript
application/octet-stream
application/ogg
application/pdf
applicatio...
Align button at the bottom of div using CSS
... @Harry Joy: Then there's too much confusion here. You should post your HTML/CSS as a jsFiddle test case.
– thirtydot
Apr 28 '11 at 10:50
1
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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...olaris systems.
(http://www.oracle.com/technetwork/java/hotspotfaq-138619.html#gc_heap_32bit)
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how to split the ng-repeat data with three columns using bootstrap
..."},{id:"3",name:"test C"},{id:"4",name:"test D"},{id:"5",name:"test E"}]
HTML:
<div ng-controller="MyCtrl">
<table>
<tr ng-repeat="item in items" ng-switch on="$index % 3">
<td ng-switch-when="0">
{{items[$index].id}} {{items[$index].name}}
</t...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
... one method of attachment or another. Hence my onclick (or on anything) in HTML markup look like this:
onclick="someFunc.call(this)"
OR
onclick="someFunc.apply(this, arguments)"
Using javascript:void(0) avoids all of the above headaches, and I haven't found any examples of a downside.
So if y...
What is opinionated software?
...efined methods and functions as it leaves the system open to returning raw HTML. So an opinionated framework developer only allows access to data structures. By design, the software is limiting and encourages the designer into doing things their way.
Another example (taken from the signals link) is...
Difference between socket and websocket?
... @huggie nope. There is a small bit of framing: tools.ietf.org/html/rfc6455#section-5 (2 bytes for small messages).
– kanaka
Dec 3 '14 at 18:19
2
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Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
... The shared_mutex docs are at boost.org/doc/libs/1_47_0/doc/html/thread/…. You either lock the mutex as shared or exclusive, and then use the corresponding unlock function. You can also use the RAII types to do this (shared_lock takes a shared read lock, and lock_guard and unique_lo...