大约有 30,000 项符合查询结果(耗时:0.0283秒) [XML]
Find first element by predicate
...ek(num -> System.out.println("will filter " + num))
.filter(m>x m> -> m>x m> > 5)
.findFirst()
.get();
System.out.println(a);
Which outputs:
will filter 1
will filter 10
10
You see that only the two first elements of the stream are actually processed.
So you ...
Why is #!/usr/bin/env bash superior to #!/bin/bash?
...hes PATH for bash, and bash is not always in /bin, particularly on non-Linum>x m> systems. For em>x m>ample, on my OpenBSD system, it's in /usr/local/bin, since it was installed as an optional package.
If you are absolutely sure bash is in /bin and will always be, there's no harm in putting it directly in y...
How do I get the collection of Model State Errors in ASP.NET MVC?
...ewData.ModelState.IsValid %>
or
<% ViewData.ModelState.Values.Any(m>x m> => m>x m>.Errors.Count >= 1) %>
and for a specific property...
<% ViewData.ModelState["Property"].Errors %> // Note this returns a collection
...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
... (faulted or canceled tasks). Awaiting manually in sequence would cause unem>x m>pected concurrency because the part of your program that wants to wait will actually continue early.
I think it also makes reading the code easier because the semantics that you want are directly documented in code.
...
How to create module-wide variables in Python? [duplicate]
...ears below, the Python interpreter said the variable __DBNAME__ did not em>x m>ist.
5 Answers
...
Standard deviation of a list
...n and standard deviation of 1st, 2nd,... digits of several (Z) lists. For em>x m>ample, I have
8 Answers
...
Java Synchronized Block for .class
...
The snippet synchronized(m>X m>.class) uses the class instance as a monitor. As there is only one class instance (the object representing the class metadata at runtime) one thread can be in this block.
With synchronized(this) the block is guarded by the...
What is the difference between 'content' and 'tem>x m>t'
...Python Requests library. I notice that the fine documentation has many em>x m>amples of how to do something without em>x m>plaining the why . For instance, both r.tem>x m>t and r.content are shown as em>x m>amples of how to get the server response. But where is it em>x m>plained what these properties do? For i...
How do I list loaded plugins in Vim?
...imilar Vim commands, is that they display information in a large slab of tem>x m>t, which is very hard to visually parse.
To get around this, I wrote Headlights, a plugin that adds a menu to Vim showing all loaded plugins, Tem>x m>tMate style. The added benefit is that it shows plugin commands, mappings, fil...
jQuery: Difference between position() and offset()
...
Whether they're the same depends on contem>x m>t.
position returns a {left: m>x m>, top: y} object relative to the offset parent
offset returns a {left: m>x m>, top: y} object relative to the document.
Obviously, if the document is the offset parent, which is often the case,...
