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Direct casting vs 'as' operator?
...'t a string, s is set to null, which is handy if you're unsure and want to test s:
string s = o as string;
if ( s == null )
{
// well that's not good!
gotoPlanB();
}
However, if you don't perform that test, you'll use s later and have a NullReferenceException thrown. These tend to be more...
How to identify server IP address in PHP
...ltiple active interfaces, how does this decide which address to return? I tested with wired and wireless ethernet connections active, and then with only wireless active, and it returns the wlan ip both times. Good script, thanks!
– Ryan Griggs
May 20 '17 at 1...
How to programmatically set style attribute in a view
...
Button b = new Button(this);
b.setBackgroundResource(R.drawable.selector_test);
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Difference between maven scope compile and provided for JAR packaging
...vides those classes. This
scope is only available on the compilation and test classpath, and is
not transitive.
Recap:
dependencies are not transitive (as you mentioned)
provided scope is only available on the compilation and test classpath, whereas compile scope is available in all clas...
Case insensitive replace
...ffe!?'
>>> ireplace(r'[binfolder]', r'C:\Temp\bin', r'[BinFolder]\test.exe')
'C:\\Temp\\bin\\test.exe'
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How do you truncate all tables in a database using TSQL?
I have a test environment for a database that I want to reload with new data at the start of a testing cycle. I am not interested in rebuilding the entire database- just simply "re-setting" the data.
...
Matplotlib plots: removing axis, legends and white spaces
... interpolation='nearest')
img.set_cmap('hot')
plt.axis('off')
plt.savefig("test.png", bbox_inches='tight')
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Absolute vs relative URLs
...to:
switch to another scheme (e.g. http -> https)
switch domain names (test.yourdomain.com -> yourdomain.com)
In the first example what will happen is that you will get warnings about unsafe content being requested on the page. Because all your URLs are hardcoded to use http(://yourdomain.co...
Creating Multifield Indexes in Mongoose / MongoDB
...8738"
"account": {
"id": "123",
"customerId": 7879,
"name": "test"
..
..
}
}
I have tested with sample data it is perfectly working as expected.
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How can I get browser to prompt to save password?
...
I found a complete solution for this question. (I've tested this in Chrome 27 and Firefox 21).
There are two things to know:
Trigger 'Save password', and
Restore the saved username/password
1. Trigger 'Save password':
For Firefox 21, 'Save password' is triggered when it...