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How to avoid “if” chains?
...very function and only violate it at extreme need, and (2) understand that what we are doing here is simulating exceptions in a language that does not have them. throw is in many ways worse than goto because with throw it's not even clear from the local context where you're going to end up! Use the ...
Check if a string matches a regex in Bash script
... command date:
if date -d "${DATE}" >/dev/null 2>&1
then
# do what you need to do with your date
else
echo "${DATE} incorrect date" >&2
exit 1
fi
from comment: one can use formatting
if [ "2017-01-14" == $(date -d "2017-01-14" '+%Y-%m-%d') ]
...
NuGet behind a proxy
...
Here's what I did to get this working with my corporate proxy that uses NTLM authentication. I downloaded NuGet.exe and then ran the following commands (which I found in the comments to this discussion on CodePlex):
nuget.exe confi...
Can I set background image and opacity in the same property?
...
You'd be surprised what you can squeeze out of PNG. For instance, at 0.2 opacity, you're probably not going to be picking out many details, so you can convert to Indexed-PNG. I actually use this on my own website, and it squashes a 1920x1080 ba...
How can I check if a program exists from a Bash script?
...command are way cheaper), you can also rely on the builtins to actually do what you want, while the effects of external commands can easily vary from system to system.
Why care?
Many operating systems have a which that doesn't even set an exit status, meaning the if which foo won't even work there ...
Automatic Retina images for web sites
... for you depends on various factors, such as how your website is designed, what kind of technology your typical visitors are using etc. Note that retina displays are not limited to the Macbook Pro Retina and the coming iMacs, but also include mobile devices, which may have their own needs.
The prob...
Strange behavior for Map, parseInt [duplicate]
...ssed in by map, and uses the second argument to specify the radix.
Here's what's happening in your code:
parseInt('10', 0) // 10
parseInt('10', 1) // NaN
parseInt('10', 2) // 2
parseInt('10', 3) // 3
parseInt('10', 4) // 4
Here's a link to MDN on parseInt: https://developer.mozilla.org/en-US/doc...
How do you view ALL text from an ntext or nvarchar(max) in SSMS?
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Thanks, this does exactly what I want.
– Derreck Dean
Sep 22 '14 at 18:12
9
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How do I enable the column selection mode in Eclipse?
...ng for toggle block selection in the Keys entry already, but I had no idea what the name was...
– Timo
Oct 23 '12 at 20:42
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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
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What if my ToString() is being applied on the left-hand-side of equality? e.g. p.Serial.ToString() = item.
– dotNET
Mar 26 '13 at 18:46
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