大约有 22,000 项符合查询结果(耗时:0.0309秒) [XML]
JavaScript: client-side vs. server-side validation
...ans users get faster feedback and more of them sign up, resulting in $100k extra revenue per year, it more than pays for the extra maintenance costs. DRY is a very good principle, but it's not the only consideration. Code quality is really measured in how well it serves users and an organization in ...
How to get device make and model on iOS?
...e currentdevice is? I know it's possible to get the model through
NSString *deviceType = [[UIDevice currentDevice] model];
which will just return whether I have an "iPhone" or an "iPod", BUT I was wondering if it's possible to detect/know if I have an iPhone 3GS vs. and iPhone 4 vs. an iPho...
How do I get a Date without time in Java?
...is asking about how to get a Date object - that answer formats a date to a string, which isn't the same thing. Fundamentally, asking what date a Date is on is a meaningless question without more information: the time zone and the calendar system you're using.
– Jon Skeet
...
How to compare if two structs, slices or maps are equal?
...er than using reflection):
http://play.golang.org/p/CPdfsYGNy_
m1 := map[string]int{
"a":1,
"b":2,
}
m2 := map[string]int{
"a":1,
"b":2,
}
fmt.Println(reflect.DeepEqual(m1, m2))
share
|
...
Read a variable in bash with a default value
...
$1 becomes ${1:-some_default_string}
– ThorSummoner
Oct 24 '16 at 22:58
|
show 6 more comments...
how to check the dtype of a column in python pandas
I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb:
6 Answer...
What are JavaScript's builtin strings?
...how it works in Firefox and IE. Moreover, I haven't really expected that toString() representation of build-in methods might look differently in other browsers.
Now, moving to the real problem, let's precisely have a look at the code. Yes, "v" was the real "problem" here. I found no other ways of ge...
What is the logic behind the “using” keyword in C++?
...::f; // lift Base's f into Derived's scope -- works in C++98
void f(char); // provide a new f
void f(int); // prefer this f to Base::f(int)
using Base::Base; // lift Base constructors Derived's scope -- C++11 only
Derived(char); // provide a new constructor
Der...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...
startActivityForResult(Intent.createChooser(intent, getResources().getString(R.string.select_picture)),GALLERY_INTENT_CALLED);
} else {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/jpeg");
startActiv...
Parse JSON in C#
...xt, although there are a number of examples out there with simplified JSON strings.
7 Answers
...
