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PHP PDO returning single row
...string goes here" );
$STH - $DBH -> prepare( "select figure from table1 ORDER BY x LIMIT 1" );
$STH -> execute();
$result = $STH -> fetch();
echo $result ["figure"];
$DBH = null;
You can use fetch and LIMIT together. LIMIT has the effect that the database returns only one entry so PHP h...
“R cannot be resolved to a variable”? [duplicate]
...eople that have problems with the "R" file would be to try the next steps (order doesn't matter) :
update ADT & SDK , Eclipse and Java.
remove gen folder , and create it again .
do a clean-project.
right click the project and choose android-tools -> fix-project-properties .
right click the ...
Difference between solr and lucene
...work.
Examples are Solr, Elastic Search, LinkedIn (yes, under the hood), etc..
Check out this article: Lucene vs Solr
UPDATE (6/18/14)
When to use Lucene?
You are a search engineer AND
You are a programmer AND
You want full control over almost all the internals of Lucene AND
Your requirements...
Where is the Java SDK folder in my computer? Ubuntu 12.04
... steps to get Java directory
Step 1:
$ whereis java
java: /usr/bin/java /etc/java /usr/share/java
That tells the command java resides in /usr/bin/java.
Dig again:
Step 2:
$ ls -l /usr/bin/java
lrwxrwxrwx 1 root root 22 2009-01-15 18:34 /usr/bin/java -> /etc/alternatives/java
So, now we k...
Is there a command to list all Unix group names? [closed]
I know there is the /etc/group file that lists all users groups.
3 Answers
3
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Drop unused factor levels in a subsetted data frame
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Also: this method does preserve the ordering of the variable.
– webelo
Jul 1 '16 at 0:36
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show 1 mor...
linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... -q squid
2.Squid代理服务的基本配置
2.1 Squid主配置文件是/etc/squid/squid.conf ，最基本的设置如下。
http_port 192.168.16.1:8080
cache_mem 64 MB
cache_dir ufs /var/spool/squid 4096 16 256
cache_effective_user squid
cache_effective_group squid
dns_nameserver...
What is Bootstrap?
...s it's suited best for? (Ie. Temporary sites, small web apps, micro sites, etc?)
– Chuck Le Butt
Jan 28 '16 at 14:58
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show 3 more comments
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?
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If you have an Order class, adding a property that references another class in your model, for instance Customer should be enough to let EF know there's a relationship in there:
public class Order
{
public int ID { get; set; }
// ...
Extending Angular Directive
...d party directive. Both directives will run and you can specify their run order using the priority property (higher priority runs first).
The two directives will share scope and you can access and modify the scope of the third party directive via your directive's link method.
Option 2: You can al...