大约有 31,281 项符合查询结果（耗时：0.0338秒） [XML]
MySQL: Large VARCHAR vs. TEXT?
...ords messages between users. Apart from the typical ids and message types (all integer types) I need to save the actual message text as either VARCHAR or TEXT. I'm setting a front-end limit of 3000 characters which means the messages would never be inserted into the db as longer than this.
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F# changes to OCaml [closed]
... is derived from OCaml, but what major items are missing or added? Specifically I'm curious as to whether the resources available for learning OCaml are also useful to someone who wants to learn F#.
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Why are C character literals ints instead of chars?
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discussion on same subject
"More specifically the integral promotions. In K&R C it was virtually (?)
impossible to use a character value without it being promoted to int first,
so making character constant int in the first place eliminated that step.
There...
How do I clone into a non-empty directory?
... will set the upstream branch for you, if that is what you want, and it usually is.
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
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Actually you can do this by using the a non hidden function: import operator, operator.add(list1, list2)
– e-satis
Apr 13 '11 at 12:28
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Git in Powershell saying 'Could not find ssh-agent'
I have git installed and it works great in the command prompt, but when I open up powershell it gives me this warning:
6 An...
Bash: Strip trailing linebreak from output
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If your expected output is a single line, you can simply remove all newline characters from the output. It would not be uncommon to pipe to the 'tr' utility, or to Perl if preferred:
wc -l < log.txt | tr -d '\n'
wc -l < log.txt | perl -pe 'chomp'
You can also use command substit...
Razor-based view doesn't see referenced assemblies
...m another project in the same solution (with assembly name MyCoreDBLayer). All objects from MyCore.DBLayer worked perfectly in Controllers and Models but failed in Razor views with an error 'The type or namespace name 'DBLayer' does not exist in the namespace 'MyCore' (are you missing an assembly re...
Use of Finalize/Dispose method in C#
...able pattern is here. When programming a class that uses IDisposable, generally you should use two patterns:
When implementing a sealed class that doesn't use unmanaged resources, you simply implement a Dispose method as with normal interface implementations:
public sealed class A : IDisposable
{
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Why does “split” on an empty string return a non-empty array?
...ngleton array containing just the input string is returned,
Second, remove all the rightmost empty strings. This is the reason ",,,".split(",") returns empty array.
According to this, the result of "".split(",") should be an empty array because of the second step, right?
It should. Unfortunately,...