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How to Generate unique file names in C#
...age10.png") and if that fails (because the file already exists), I fall back to GUIDs.
Update:
Recently, I've also use DateTime.Now.Ticks instead of GUIDs:
var myUniqueFileName = string.Format(@"{0}.txt", DateTime.Now.Ticks);
or
var myUniqueFileName = $@"{DateTime.Now.Ticks}.txt";
The benefi...
Separating class code into a header and cpp file
...red Mar 6 '12 at 8:09
Ferenc DeakFerenc Deak
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
I am looking for a way to concatenate the strings of a field within a group by query. So for example, I have a table:
14 An...
How do you test that a Python function throws an exception?
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Robert Siemer
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answered Sep 24 '08 at 20:02
MoeMoe
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How do I use CREATE OR REPLACE?
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This works on functions, procedures, packages, types, synonyms, trigger and views.
Update:
After updating the post for the third time, I'll reformulate this:
This does not work on tables :)
And yes, there is documentation on ...
Access parent URL from iframe
Okay, I have a page on and on this page I have an iframe. What I need to do is on the iframe page, find out what the URL of the main page is.
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Understanding colors on Android (six characters)
I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency:
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EditText maxLines not working - user can still input more lines than set
User can input more than 5 lines, by pressing enter/next row key. How can I limit user input to fixed amount of rows with EditText?
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What is reflection and why is it useful?
... the same system (or itself).
For example, say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflectio...
Responsive font size in CSS
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The font-size won't respond like this when resizing the browser window. Instead they respond to the browser zoom/type size settings, such as if you press Ctrl and + together on the keyboard while in the browser.
Media Queries
You would have to look at usi...