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What is the best way to iterate over a dictionary?
...s kvp.Key
doStuff(kvp.Value)
}
If you need only the value (allows to call it item, more readable than kvp.Value).
foreach (var item in items.Values)
{
doStuff(item)
}
If you need a specific sort order
Generally, beginners are surprised about order of enumeration of a Dictionary.
LINQ ...
How do you get a query string on Flask?
...est. This object has many attributes and methods that you can retrieve and call, respectively.
You have quite a few request attributes which contain the query string from which to choose. Here I will list every attribute that contains in any way the query string, as well as a description from the O...
How to use enums in C++
...Perhaps a Type is a 'secondary-expression'. And what a C++ developer might call a 'dot operator' the C++ compiler can only call a 'token'. When it gets that hard to understand the error messages there is something wrong with the language I think.
– Travis
Jul ...
How do I set the size of an HTML text box?
...
Just use:
textarea {
width: 200px;
}
or
input[type="text"] {
width: 200px;
}
Depending on what you mean by 'textbox'.
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How to compare type of an object in Python?
Basically I want to do this:
14 Answers
14
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Test whether string is a valid integer
...ner solution for the "if" statement. I thought that I don't really need to call a function for this. Also, I can see that the redirection of the stderr to stdout in the function. When I tried, the stderr message "integer expression expected" was displayed which was not desirable for me.
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What does -> mean in Python function definitions?
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@Krotton Can't blame you for missing it, it's practically unused. I only ever met a single library using them, and it's quite obscure.
– user395760
Jan 17 '13 at 13:19
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GetHashCode Guidelines in C#
...t is no longer needed.
For ease of use, I'd advise to set the flag automatically inside the "GetHashCode" method - this way it can't be forgotten. And the explicit call of a "ResetHashFlag" method will make sure, that the programmer will have to think, wether it is or is not allowed to change the o...
Get just the filename from a path in a Bash script [duplicate]
...t sets xpath (the file path), xpref (the file prefix, what you were specifically asking for) and xfext (the file extension).
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... 18:27 pts/1 00:00:00 grep zebra
[root@RS1 ~]# lsof -i:2601
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
zebra 3919 root 10u IPv4 19685 0t0 TCP *:discp-client (LISTEN)
[root@RS1 ~]#
*:discp-client (LISTEN)
zebra-0.95a安装好后会自动往系统/etc/servics...