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What is the advantage of using heredoc in PHP? [closed]
...
The heredoc syntax is much cleaner to me and it is really useful for multi-line strings and avoiding quoting issues. Back in the day I used to use them to construct SQL queries:
$sql = <<<SQL
select *
from $tablename
where id in [$order_ids_list]
and product_name = "widgets"
SQL...
Build Maven Project Without Running Unit Tests
...lean install -Dmaven.test.skip=true
and you can add config in maven.xml
<project>
[...]
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artif...
How to Set AllowOverride all
...he file /etc/apache2/apache2.conf (here we have an example of /var/www):
<Directory /var/www/>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
and change it to;
<Directory /var/www/>
Options Indexes FollowSymLin...
Preserve Line Breaks From TextArea When Writing To MySQL
...r():
e.g.,
echo nl2br("This\r\nis\n\ra\nstring\r");
// will output
This<br />
is<br />
a<br />
string<br />
Wrap the input in <pre></pre> tags.
See: W3C Wiki - HTML/Elements/pre
sha...
Test if string is a guid without throwing exceptions?
...cks
10,000 bad: 23,134 ticks
COM Intertop (Fastest) Answer:
/// <summary>
/// Attempts to convert a string to a guid.
/// </summary>
/// <param name="s">The string to try to convert</param>
/// <param name="value">Upon return will contain the Guid</param>...
Split string, convert ToList() in one line
...
You can also do it this way without the need of Linq:
List<int> numbers = new List<int>( Array.ConvertAll(sNumbers.Split(','), int.Parse) );
// Uses Linq
var numbers = Array.ConvertAll(sNumbers.Split(','), int.Parse).ToList();
...
How to change color in circular progress bar?
...
In the res/drawable folder, put this:
progress.xml
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:pivotX="50%"
android:pivotY="50%"
android:fromDegrees="0"
android:toDegrees="...
Adding a column to a data.frame
...they index the data frame as if it were a list.
my.dataframe["new.col"] <- a.vector
my.dataframe[["new.col"]] <- a.vector
The data.frame method for $, treats x as a list
my.dataframe$new.col <- a.vector
When [ and [[ are used with two indices (x[i, j] and x[[i, j]]) they act l...
IIS - 401.3 - Unauthorized
...
The logic behind is that by default the site uses anonymous authentication, and IUSR is the anonymous account. So IIS uses IUSR account to access the file system (web site physical path) which might not work always (as many of your file system won't accept I...
Unit Testing: DateTime.Now
... time in an abstraction and inject that abstraction into the consumer.
Alternatively, you can also define a time abstraction as an Ambient Context:
public abstract class TimeProvider
{
private static TimeProvider current =
DefaultTimeProvider.Instance;
public static TimeProvider...