大约有 31,100 项符合查询结果（耗时：0.0386秒） [XML]
What command means “do nothing” in a conditional in Bash?
...ult to read. Bash is a DevOps language, and if : is written by someone on my team, I'd have them change it.
– SaintHax
May 29 '17 at 19:51
3
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How do I make a composite key with SQL Server Management Studio?
...
here is some code to do it:
-- Sample Table
create table myTable
(
Column1 int not null,
Column2 int not null
)
GO
-- Add Constraint
ALTER TABLE myTable
ADD CONSTRAINT pk_myConstraint PRIMARY KEY (Column1,Column2)
GO
I added the constraint as a separate statement be...
Duplicate keys in .NET dictionaries?
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Works great in my scenario and also easy to use.
– user6121177
Oct 6 '17 at 21:31
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C# - How to get Program Files (x86) on Windows 64 bit
...nswered Oct 11 '08 at 15:19
chadmyerschadmyers
3,7401919 silver badges2929 bronze badges
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How to create a bash script to check the SSH connection?
...ul. I used it because nmap and telnet were not available for me. Moreover, my ssh configuration uses keyboard password auth.
It is a variant of the solution proposed by GUESSWHOz.
nc -q 0 -w 1 "${remote_ip}" 22 < /dev/null &> /dev/null && echo "Port is reachable" || echo "Port is...
Use String.split() with multiple delimiters
I need to split a string base on delimiter - and . . Below are my desired output.
13 Answers
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How to convert a string of numbers to an array of numbers?
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My 2 cents for golfers:
b="1,2,3,4".split`,`.map(x=>+x)
backquote is string litteral so we can omit the parenthesis (because of the nature of split function) but it is equivalent to split(','). The string is now an arra...
Xcode debugger doesn't print objects and shows nil, when they aren't
...were initialized with a value. Printed out via
NSLog(@"String value: %@", myString);
the correct value for the object was shown.
Confusing!
Solving the problem was rather easy: I just shut down Xcode and restarted my computer. Af
What IDE to use for Python? [closed]
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On my smartphone browser, this table is completely unreadable.
– Axel
Nov 14 '14 at 7:53
82
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Screenshot Apps for iPhone simulator [closed]
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Update: I think that my answer is not optimal anymore, thanks to this other answer from Gurpartap Singh (where cmd+S directly saves the image to your desktop). I'm not sure from which version of the iOS Simulator is this possible, but it's better...