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On Duplicate Key Update same as insert
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There is a MySQL specific extension to SQL that may be what you want - REPLACE INTO
However it does not work quite the same as 'ON DUPLICATE UPDATE'
It deletes the old row that clashes with the new row and then inserts the new row. ...
Rails: call another controller action from a controller
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if I try to redirect_to a root controller like "MyOtherController", from a controller like "Module::MyController".. it will resolve to calling "module/MyOtherController" .. any idea how I can call the root?
– ggez44
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Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
...potential workaround:
Locate your COM object GUID under the HKey_Classes_Root\Wow6432Node\CLSID\{GUID}
Once located add a new REG_SZ (string) Value. Name should be AppID and data should be the same COM object GUID you have just searched for
Add a new key under HKey_Classes_Root\Wow6432Node\AppID. ...
Regular Expressions: Is there an AND operator?
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@Liam:. MySQL uses the POSIX ERE flavor, so no. It effectively sacrifices features in favor of performance, which seems reasonable to me. There's more information here.
– Alan Moore
Oct 15 '1...
How to deploy a war file in Tomcat 7
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what if the WAR is named "ROOT.war?" Where can I find that WAR?
– Kevin Meredith
Aug 16 '12 at 14:01
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How to SSH to a VirtualBox guest externally through a host? [closed]
...255.255.255.0
# reboot
Configure ssh service (administering) to login as root (not adviced)
Check if ssh is enabled
# svcs -a | grep ssh
online 15:29:57 svc:/network/ssh:default
Modify /etc/ssh/sshd_config so there is
PermitRootLogin yes
Restart ssh service
svcadm restart ssh
Fro...
Can I bind an array to an IN() condition?
...x in a table, and it is still not implemented yet - see this record in the MYSQL bug tracker. Thanks to @BillKarwin for the notice.
You can't use a string with comma inside as a value of the array for search. It is impossible to parse such string in the right way after implode since you use comma sy...
How can I add reflection to a C++ application?
...ioned below) adds reflection to C++ without slowing down existing code at: root.cern.ch/drupal/content/reflex
– Joseph Lisee
May 4 '11 at 19:37
6
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What is the difference D3 datum vs. data?
...below or in this Fiddle.
const data = [1,2,3,4,5];
const el = d3.select('#root');
el
.append('div')
.classed('a', true)
.datum(data)
.text(d => `node => data: ${d}`);
const join= el
.selectAll('div.b')
.data(data);
join
.enter()
.append('div')
.classed('b', true)
.text((d, i) =>...
How to read embedded resource text file
...example, if you embed a text file named "MyFile.txt" that is placed in the root of a project with default namespace "MyCompany.MyProduct", then resourceName is "MyCompany.MyProduct.MyFile.txt".
You can get a list of all resources in an assembly using the Assembly.GetManifestResourceNames Method.
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