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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...s typically used for SQL statements without results (e.g., UPDATE, INSERT, etc.).
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How to “crop” a rectangular image into a square with CSS?
... could also be modified to be responsive, for example % widths and heights etc.
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What languages are Windows, Mac OS X and Linux written in?
...for each part of the OS (ie: Kernel, plug-in architecture, GUI components, etc).
13 Answers
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Font Awesome not working, icons showing as squares
...lass and the class that identifies the desired icon fa-twitter, fa-search, etc …
<!-- Wrong -->
<i class="fa-search"></i>
<!-- Correct -->
<i class="fa fa-search"></i>
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SQLiteDatabase.query method
...l, null, orderBy);
// since we have a named column we can do
int idx = c.getColumnIndex("max");
is equivalent to the following raw query
String queryString =
"SELECT column1, (SELECT max(column1) FROM table1) AS max FROM table1 " +
"WHERE column1 = ? OR column1 = ? ORDER BY column1";
sqL...
What is the naming convention in Python for variable and function names?
...ific computing, where one often comes across well-known constants, tensors etc. that are denoted by capital letters.
– andreasdr
Oct 17 '14 at 20:00
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How to execute a Python script from the Django shell?
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I ended up doing sys.path.append(os.getcwd()), it works when I am inside my project directory, my DJANGO_SETTINGS_MODULE is correct and I try to run a script that import models, views, etc.
– Danilo Cabello
Jul 11 '14 at 16...
jQuery find events handlers registered with an object
...handlers for the event type that we are interested in (e.g. click, change, etc)
handler
Actual event handler method that you can see by right clicking it and selecting Show function definition
selector
The selector provided for delegated events. It will be empty for direct events.
targets
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FirstOrDefault: Default value other than null
... works with ALL APIs that need a default to be specified: First(), Last(), etc. As a user, you don't need to remember which APIs allow to specify default which don't. Very elegant!
– KFL
Feb 16 '18 at 21:45
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Stretch and scale a CSS image in the background - with CSS only
I want that my background image stretch and scale depending on the browser viewport size.
22 Answers
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