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How to get ERD diagram for an existing database?
...n postgres, I had to click into the schema, then click TABLE, and, in the window on the right, click the 'References' tab. This feature is available in the free version, too.
– jhnatr
Aug 30 '19 at 15:45
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How to avoid .pyc files?
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There actually IS a way to do it in Python 2.3+, but it's a bit esoteric. I don't know if you realize this, but you can do the following:
$ unzip -l /tmp/example.zip
Archive: /tmp/example.zip
Length Date Time Name
-------- ---- ---- ----
8467 11-26-02 22...
Get DateTime.Now with milliseconds precision
...: "{0:yyyyMMdd HH:mm:ss.fff}", DateTime.UtcNow -> 20180502 11:07:20.000 Win32.GetSystemTime(ref stime) -> 2018,2,5,11,7,20,0 (y m d h mm ss ms) I can create a instance of date time with milliseconds: var dt = new DateTime(2018, 5, 2, 19, 34, 55, 200); "{0:yyyyMMdd HH:mm:ss.fff}", dt -> 2018...
How to write inline if statement for print?
...hen the condition isn't met. The
conditional syntax makes this pattern a bit more obvious:
contents = ((doc + '\n') if doc else '')
So I think overall this is a reasonable way of approching it but you can't argue with the simplicity of:
if logging: print data
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How can I get the browser's scrollbar sizes?
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Returns different values with different page zoom. Win7, Opera, FF.
– Kolyunya
Mar 7 '13 at 8:59
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show 4 more comme...
How do function pointers in C work?
...nes by compiling your code by hand:
These string literals are bytes of 32-bit x86 machine code. 0xC3 is an x86 ret instruction.
You wouldn't normally write these by hand, you'd write in assembly language and then use an assembler like nasm to assemble it into a flat binary which you hexdump into ...
Python's equivalent of && (logical-and) in an if-statement
...: 6.11. Boolean operations.
Besides the logical operators Python also has bitwise/binary operators:
+--------------------+--------------------+
| Logical operator | Bitwise operator |
+====================+====================+
| and | & |
+-----------------...
Batch: Remove file extension
I have the following batch script from Wikipedia:
7 Answers
7
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Fastest way to serialize and deserialize .NET objects
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@BjarkeCK serializers are inherently a bit more involved, as they need to do a lot of things to prevent people shooting their own feet off (especially as they iterate versions); most people don't want to spend their lives debugging serialization code, so: a good s...
What does the [Flags] Enum Attribute mean in C#?
...e values, rather than a single value. Such collections are often used with bitwise operators, for example:
var allowedColors = MyColor.Red | MyColor.Green | MyColor.Blue;
Note that the [Flags] attribute doesn't enable this by itself - all it does is allow a nice representation by the .ToString() ...