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SQLAlchemy: print the actual query
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In the vast majority of cases, the "stringification" of a SQLAlchemy statement or query is as simple as:
print(str(statement))
This applies both to an ORM Query as well as any select() or other statement.
Note: the following detailed answer is being maintained...
What is the difference between Python and IPython?
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IPython is basically the "recommended" Python shell, which provides extra features. There is no language called IPython.
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How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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Android device does not show up in adb list [closed]
...show up with "Unknown driver" status.
Click on "Update Driver" and select /extras/google/usb_driver
Device Manager will find the driver and warn you about installing it. Select "Yes."
This time the device got installed properly.
Note that I didn't have to modify winusb.inf file or update any othe...
Python: most idiomatic way to convert None to empty string?
... want your function to behave like the str() built-in, but return an empty string when the argument is None, do this:
def xstr(s):
if s is None:
return ''
return str(s)
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A fast method to round a double to a 32-bit int explained
...I noticed that Lua uses a macro to round a double to a 32-bit int . I extracted the macro , and it looks like this:
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What do all of Scala's symbolic operators mean?
...nds
<? <! // Start token for various XML elements
" """ // Strings
' // Indicate symbols and characters
@ // Annotations and variable binding on pattern matching
` // Denote constant or enable arbitrary identifiers
, // Parameter separator
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What is a good pattern for using a Global Mutex in C#?
...g System.Security.Principal; //SecurityIdentifier
static void Main(string[] args)
{
// get application GUID as defined in AssemblyInfo.cs
string appGuid =
((GuidAttribute)Assembly.GetExecutingAssembly().
GetCustomAttributes(typeof(GuidAttribute), false).
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How to clear MemoryCache?
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public class SignaledChangeEventArgs : EventArgs
{
public string Name { get; private set; }
public SignaledChangeEventArgs(string name = null) { this.Name = name; }
}
/// <summary>
/// Cache change monitor that allows an app to fire a change notification
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MySQL query String contains
... to figure out how I can make a query with MySQL that checks if the value (string $haystack ) in a certain column contains certain data (string $needle ), like this:
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