大约有 45,000 项符合查询结果（耗时：0.0386秒） [XML]
There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
... "text-danger" })
</div>
</div>
Now if we remove this statement:
ViewBag.OperatorId = new SelectList(db.Operators, "OperatorId", "OperatorSign", number.OperatorId);
from back of the following statement (in our controller) :
return View();
we will see ...
How can I create directories recursively? [duplicate]
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I agree with Cat Plus Plus's answer. However, if you know this will only be used on Unix-like OSes, you can use external calls to the shell commands mkdir, chmod, and chown. Make sure to pass extra flags to recursively affect directories:
>>> import subprocess
>>...
Using Node.JS, how do I read a JSON file into (server) memory?
...hings like Mongo, Alfred, etc out there, but that is not what I need right now.
11 Answers
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How to use Git for Unity3D source control?
...for Git called Git LFS that directly deals with the below problem. You can now easily and efficiently version large binary files!
Git can work fine with 3D games out of the box. However the main caveat here is that versioning large (>5 MB) media files can be a problem over the long term as your...
Initializing a static std::map in C++
... if you are making an archive). That's the reason I try not to use it. I know you can choose what files to include/not include, but you usually don't want to have to worry about Boost's cross dependencies with itself so you just copy the whole thing around.
– bobobobo
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How to convert java.util.Date to java.sql.Date?
...nts:
Instant instead of java.util.DateBoth represent a moment in UTC. but now with nanoseconds instead of milliseconds.
LocalDate instead of java.sql.DateBoth represent a date-only value without a time of day and without a time zone.
Details
If you are trying to work with date-only values (no time...
Why should hash functions use a prime number modulus?
...or likely cases, since collisions reduce the efficiency of the hashtable.
Now, suppose someone puts a whole bunch of values into a hashtable that have some relationship between the items, like all having the same first character. This is a fairly predictable usage pattern, I'd say, so we don't want...
ActionBar text color
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Ok, I've found a better way. I'm now able to only change the color of the title. You can also tweak the subtitle.
Here is my styles.xml:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="MyTheme" parent="@android:style/Theme....
LINQ: Distinct values
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IEqualityComparer<TKey> comparer)
{
HashSet<TKey> knownKeys = new HashSet<TKey>(comparer);
foreach (TSource element in source)
{
if (knownKeys.Add(keySelector(element)))
{
yield return element;
}
}
}
(If you pass...
Which websocket library to use with Node.js? [closed]
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Nice list of all available option after death of now.js
– Rahul Prasad
Jun 15 '14 at 22:19
@...