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SQL Server equivalent to MySQL enum data type?
... then you'll end-up adding lots of tables to your database. Not to mention extra IO reads due to FK constraint-checking when inserting/deleting data, whereas a CHECK CONSTRAINT is much faster and doesn't cause database object spam.
– Dai
Sep 18 at 7:23
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Purpose of memory alignment
...m from 0x0004 and shift left 1 byte to place it in a 16-bit register; some extra work, but most can handle that in one cycle.
When you ask for 32 bits from 0x0001 you'll get a 2X amplification. The processor will read from 0x0000 into the result register and shift left 1 byte, then read again from ...
How to check if a python module exists without importing it
...active help system starts on the interpreter console. If the argument is a string, then the string is looked up as the name of a module, function, class, method, keyword, or documentation topic, and a help page is printed on the console. If the argument is any other kind of object, a help page on th...
Specify format for input arguments argparse python
...rsions to be performed ... type= can take any callable that takes a single string argument and returns the converted value
You could do something like:
def valid_date(s):
try:
return datetime.strptime(s, "%Y-%m-%d")
except ValueError:
msg = "Not a valid date: '{0}'.".forma...
How can I match a string with a regex in Bash?
...
if [[ $STR == *pattern* ]]
then
echo "It is the string!"
else
echo "It's not him!"
fi
Works for me! GNU bash, version 4.3.11(1)-release (x86_64-pc-linux-gnu)
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How to center a (background) image within a div?
... If you want the entire div to be filled with the image and no extra space you should use background-size: cover; If you want the entire image to show without any part of the image being cut off or stretched you want to use background-size: contain;
– Zlerp
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Printing everything except the first field with awk
...for loop:
awk '{for (i=2; i<=NF; i++) print $i}' filename
So if your string was "one two three", the output will be:
two
three
If you want the result in one row, you could do as follows:
awk '{for (i=2; i<NF; i++) printf $i " "; print $NF}' filename
This will give you: "two three"
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How to parse the AndroidManifest.xml file inside an .apk package
...// 0th word is 03 00 08 00
// 3rd word SEEMS TO BE: Offset at then of StringTable
// 4th word is: Number of strings in string table
// WARNING: Sometime I indiscriminently display or refer to word in
// little endian storage format, or in integer format (ie MSB first).
int numbStrings = LE...
What are the benefits of using C# vs F# or F# vs C#? [closed]
...tter to do a UI with lots of mutable fields. Maybe he was referring to the extra overhead of having to write "mutable" and using <- instead of =.
Also depends on the library/designer used. We love using ASP.NET MVC with F# for all the controllers, then a C# web project to get the ASPX designers....
Get content uri from file path in android
...
Or with:
ImageView.setImageURI(Uri.parse(new File("/sdcard/cats.jpg").toString()));
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