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jQuery attr vs prop?
...ns (<1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like:
var elem = $("#foo")[0];
if ( elem ) {
index = elem.selectedIndex;
}
That sucked, so prop was added:
index = $("#foo").prop("selectedIndex");
This was great, bu...
android:drawableLeft margin and/or padding
...r drawable resources.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_checked="true">
<inset android:drawable="@drawable/small_m" android:insetLeft="10dp" android:insetTop="10dp" /&g...
Cannot ping AWS EC2 instance
...ICMP rule
Protocol: Echo Request
Port: N/A
Source: your choice (I would select Anywhere to be able to ping from any machine)
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How can I set the color of a selected row in DataGrid
The default background color of a selected row in DataGrid is so dark that I can't read it. Is there anyway of overriding it?
...
Using Build Flavors - Structuring source folders and build.gradle correctly
...r code in src/main/java can do
import com.foo.A
depending on the flavor selected, the right version of com.foo.A is used.
This also means both version of A must have the same API (at least when it comes to the API used by classes in src/main/java/...
Edit to match revised question
Additionally...
Reliable method to get machine's MAC address in C#
...aces()
where nic.OperationalStatus == OperationalStatus.Up
select nic.GetPhysicalAddress().ToString()
).FirstOrDefault();
Or:
String firstMacAddress = NetworkInterface
.GetAllNetworkInterfaces()
.Where( nic => nic.OperationalStatus == OperationalStatus.Up &&...
Retrieve the maximum length of a VARCHAR column in SQL Server
...
Use the built-in functions for length and max on the description column:
SELECT MAX(LEN(DESC)) FROM table_name;
Note that if your table is very large, there can be performance issues.
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How do we count rows using older versions of Hibernate (~2009)?
...eturn int and use this form:
int count = ((Long)getSession().createQuery("select count(*) from Book").uniqueResult()).intValue();
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package R does not exist
...ou need to tell your IDE to regenerate these files somehow:
in IntelliJ, select Tools > Android > Generate sources for <project>
(If you know the way in another IDE, feel free to edit this answer!)
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How can I enable zoom in on UIWebView which inside the UIScrollView?
...l).
On the Web View, in the Attributes Inspector:
In the Web View section, select Scales Pages To Fit
In the View section, select for Mode, "Top Left"
In the View section at the bottom, check off User Interaction Enabled, and Multiple Touch Enabled
...