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Access Enum value using EL with JSTL
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You can add each of the enum values you use into the page context:
<c:set var="VALID" value="<%=Status.VALID%>"/>
and then you can do this:
<c:when test="${dp.status == VALID}">
I prefer the last option (3), even though it also uses a scriptlet. This is because it only uses i...
Loaded nib but the 'view' outlet was not set
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The View Identity - Class Identity was not set. After setting it to the appropriate class, the issue was resolved.
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Error to run Android Studio
...at after I did that Android Studio runs, but there's no JAVA_HOME variable set up. But I don't care since it works.
– Csaba Toth
Oct 4 '13 at 3:12
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How do I find where JDK is installed on my windows machine?
...is:
$ which java
Should output the exact location.
After that, you can set JAVA_HOME environment variable yourself.
In my computer (Mac OS X - Snow Leopard):
$ which java
/usr/bin/java
$ ls -l /usr/bin/java
lrwxr-xr-x 1 root wheel 74 Nov 7 07:59 /usr/bin/java -> /System/Library/Framewor...
Standard Android Button with a different color
...mething like the following code in a file named custom_button.xml and then set background="@drawable/custom_button" in your button view:
<?xml version="1.0" encoding="utf-8"?>
<selector
xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="...
Delete specified file from document directory
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Instead of having the error set to NULL, have it set to
NSError *error;
[fileManager removeItemAtPath:filePath error:&error];
if (error){
NSLog(@"%@", error);
}
this will tell you if it's actually deleting the file
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How to add new column to MYSQL table?
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It's 2015 and people are still trying to set themselves up for sql injection vulnerabilities—:facepalm:
– CommandZ
Jul 8 '15 at 21:34
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How to set up a PostgreSQL database in Django
... Python PATH
After downloading, easily extract the tarball and:
$ python setup.py install
Or if you wish, install it by either easy_install or pip.
(I prefer to use pip over easy_install for no reason.)
$ easy_install psycopg2
$ pip install psycopg2
Configuration
in settings.py
DATABASE...
Add centered text to the middle of a -like line
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This is the best answer because it will work without the setting the background , and when you have to set the transparent background
– Dinesh Dabhi
Dec 18 '15 at 9:39
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How to add a new row to datagridview programmatically
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Lets say you have a datagridview that is not bound to a dataset and you want to programmatically populate new rows...
Here's how you do it.
// Create a new row first as it will include the columns you've created at design-time.
int rowId = dataGridView1.Rows.Add();
// Grab the new...