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How do I check if a number is positive or negative in C#?
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Of course no-one's actually given the correct answer,
num != 0 // num is positive *or* negative!
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Store password in TortoiseHg
...ason, plaintext password storage is often perfectly sufficient, as long as one is aware of the security implications.
– Søren Løvborg
May 27 '12 at 21:13
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How to do what head, tail, more, less, sed do in Powershell? [closed]
...', '($0)' } # sed
This works well enough for small files, larger ones (more than a few MiB) are probably a bit slow.
The PowerShell Community Extensions include some cmdlets for specialised file stuff (e.g. Get-FileTail).
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How to write a cron that will run a script every day at midnight?
...; /usr/local/sbin/run_3times_per_minute.sh
To add a cron job, you can do one of three things:
add a command to a user's crontab, as shown above (and from the crontab, section 5, man page).
edit a user's crontab as root with crontab -e -u <username>
or edit the current user's crontab with...
Weak and strong property setter attributes in Objective-C
...ave to tell the compiler about the retain count so it knows what you have done.
Its all here.
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How to encode a URL in Swift [duplicate]
...("/") and question mark ("?") may represent data
within the query component. Beware that some older, erroneous
implementations may not handle such data correctly when it is used as
the base URI for relative references (Section 5.1), apparently
because they fail to distinguish qu...
What is the significance of 1/1/1753 in SQL Server?
...the Gregorian calendar.
Both datetime and the new datetime2 datatype mentioned in Joe's answer do not attempt to account for these local differences and simply use the Gregorian Calendar.
So with the greater range of datetime2
SELECT CONVERT(VARCHAR, DATEADD(DAY,-5,CAST('1752-09-13' AS DATETIME2)...
Xcode stops working after set “xcode-select -switch”
OMG, what I've done?
1 Answer
1
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How to “EXPIRE” the “HSET” child key in redis?
...enarios and the performance characteristics might differ from the expected ones. Still worth mentioning:
When having a hash, the structure basically looks like:
hash_top_key
- child_key_1 -> some_value
- child_key_2 -> some_value
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- child_key_n -> some_value
Since we want to ...
how can I Update top 100 records in sql server
...ion is "up" and which is "down" for the concept of top to be meaningful.
Nonetheless SQL Server allows it but doesn't guarantee a deterministic result.
The UPDATE TOP syntax in the accepted answer does not support an ORDER BY clause but it is possible to get deterministic semantics here by using a...