大约有 19,000 项符合查询结果（耗时：0.0396秒） [XML]
Android Layout with ListView and Buttons
...ayout>
</RelativeLayout>
Note the use of RelativeLayout as the root node.
This is the final, working version in which the Button does not overlap the ListView:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
a...
Spring Boot JPA - configuring auto reconnect
... configuring the DataSource for you. In this case, and since you are using MySQL, you can add the following to your application.properties up to 1.3
spring.datasource.testOnBorrow=true
spring.datasource.validationQuery=SELECT 1
As djxak noted in the comment, 1.4+ defines specific namespaces for t...
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. ...
How to deploy a war file in Tomcat 7
...
what if the WAR is named "ROOT.war?" Where can I find that WAR?
– Kevin Meredith
Aug 16 '12 at 14:01
...
Rails 3.1: Engine vs. Mountable App
...
Can a mountable engine ever be routed/mounted at the root of the parent app?
– Slick23
Aug 29 '11 at 13:05
3
...
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 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...
Why should hash functions use a prime number modulus?
...s again a polynomial of the same degree N (or less). It has no more than N roots (this is here the nature of math shows itself, since this claim is only true for a polynomial over a field => prime number). So if N is much less than P, you are likely not to have a collision. After that, experiment...
PHP foreach loop key value
...
This works, my mysql statement had a minor issue also but I got it working with your solution, thank you.
– matthewb
Dec 2 '09 at 18:38
...
How to get distinct values for non-key column fields in Laravel?
...er (you can use it, but you shouldn't use it). You should use distinct. In MySQL you can use DISTINCT for a column and add more columns to the resultset: "SELECT DISTINCT name, id, email FROM users". With eloquent you can do this with $this->select(['name', 'id', 'email'])->distinct()->get(...