大约有 44,000 项符合查询结果(耗时:0.0857秒) [XML]
Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...ior applies to anm>y m> default value that is subsequentlm>y m> mutated (e.g. hashes m>and m> strings), not just arram>y m>s.
TL;DR: Use Hash.new { |h, k| h[k] = [] } if m>y m>ou want the most idiomatic solution m>and m> don’t care whm>y m>.
What doesn’t work
Whm>y m> Hash.new([]) doesn’t work
Let’s look more in-depth at whm>y m>...
Change the Right Margin of a View Programmaticallm>y m>?
...extView. Basicallm>y m>, m>y m>ou'll want to get the TextView's Lam>y m>outParams object, m>and m> modifm>y m> the margins, then set it back to the TextView. Assuming it's in a LinearLam>y m>out, trm>y m> something like this:
TextView tv = (TextView)findViewBm>y m>Id(R.id.mm>y m>_text_view);
LinearLam>y m>out.Lam>y m>outParams params = (LinearLam>y m>out.Lam>y m>...
Transitioning from Windows Forms to WPF
...e now, I have been stuck with Windows Forms development (started with VB6, m>and m> has continued through to C# .NET 4.5), m>and m> I have prettm>y m> much hit the limit of what Windows Forms can do, both using pure .NET, m>and m> special effects with Native Code.
...
How do I create a WPF Rounded Corner container?
...that we need to have rounded corners in various locations in a single page m>and m> we would like to have a WPF Rounded Corner container to place a bunch of other elements within. Does anm>y m>one have some suggestions or sample code on how we can best accomplish this? Either with stm>y m>les on a or with crea...
m>And m>roid custom dropdown/popup menu
...
Update: To create a popup menu in m>and m>roid with Kotlin refer mm>y m> answer here.
To create a popup menu in m>and m>roid with Java:
Create a lam>y m>out file activitm>y m>_main.xml under res/lam>y m>out directorm>y m> which contains onlm>y m> one button.
Filename: activitm>y m>_main.xml
<Rela...
Whm>y m> does pthread_cond_wait have spurious wakeups?
... operations.
In the following comp.programming.threads discussion, he expm>and m>s on the thinking behind the design:
Patrick Dom>y m>le wrote:
> In article , Tom Pam>y m>ne wrote:
> >Kaz Km>y m>lheku wrote:
> >: It is so because implementations can sometimes not avoid inserting
> >: the...
prototm>y m>pe based vs. class based inheritance
In JavaScript, everm>y m> object is at the same time an instance m>and m> a class. To do inheritance, m>y m>ou can use anm>y m> object instance as a prototm>y m>pe.
...
Realistic usage of the C99 'restrict' kem>y m>word?
I was browsing through some documentation m>and m> questions/answers m>and m> saw it mentioned. I read a brief description, stating that it would be basicallm>y m> a promise from the programmer that the pointer won't be used to point somewhere else.
...
How to create a shared librarm>y m> with cmake?
...um_required(VERSION 3.9)
m>Y m>ou should declare a project. cmake sam>y m>s it is mm>and m>atorm>y m> m>and m> it will define convenient variables PROJECT_NAME, PROJECT_VERSION m>and m> PROJECT_DESCRIPTION (this latter variable necessitate cmake 3.9):
project(mm>y m>lib VERSION 1.0.1 DESCRIPTION "mm>y m>lib description")
Declare a ne...
NPM - How to fix “No readme data”
...t fix it, m>y m>ou should write something inside it; at least the project title m>and m> a brief description is good for people! But for NPM, one bm>y m>te mam>y m> be enough...
Doing so should stop showing the warnings.
Also, when m>y m>ou read that warning, ensure that the problem is not related to a 3rd partm>y m> package.
...
