大约有 40,000 项符合查询结果（耗时：0.0342秒） [XML]
Split string on the first white space occurrence
...tr.indexOf(' ')+1); // "tocirah sneab"
Note that if there is no space at all, then the first line will return an empty string and the second line will return the entire string. Be sure that is the behavior that you want in that situation (or that that situation will not arise).
...
MLKitTextRecognizer 拓展：离线图片文字识别（OCR，中英文） · App Inventor 2 中文网
... chinese 就行。
二、切换脚本
when 按钮_英文.Click() {
TextRecognizer1.Script = "latin"
标签_当前模式.Text = "当前：拉丁字母"
}
when 按钮_日文.Click() {
TextRecognizer1.Script = "chinese"
标签_当前模式.Text = "当前：中文"
}
wh...
Cocoa Core Data efficient way to count entities
...n do with SELECT count(1) ...). Now I just solved this task with selecting all with NSFetchedResultsController and getting the count of the NSArray ! I am sure this is not the best way...
...
Regex, every non-alphanumeric character except white space or colon
...
[^a-zA-Z\d\s:]
\d - numeric class
\s - whitespace
a-zA-Z - matches all the letters
^ - negates them all - so you get - non numeric chars, non spaces and non colons
share
|
improve this answ...
UITableViewCell with UITextView height in iOS 7?
...
First of all, it is very important to note, that there is a big difference between UITextView and UILabel when it comes to how text is rendered. Not only does UITextView have insets on all borders, but also the text layout inside it i...
Difference between JSON.stringify and JSON.parse
...pt object into JSON text and stores that JSON text in a string, eg:
var my_object = { key_1: "some text", key_2: true, key_3: 5 };
var object_as_string = JSON.stringify(my_object);
// "{"key_1":"some text","key_2":true,"key_3":5}"
typeof(object_as_string);
// "string"
JSON.parse turns a...
Hidden Features of VB.NET?
... It looks like someone could still create their own rule by calling the Rule constructor directly? If so, and if you wanted to stop this, could you declare the constructor as "Friend" in your library?
– Joel Coehoorn
Oct 7 '08 at 14:40
...
AngularJS - Trigger when radio button is selected
...d many ng-xxxx kind of options but couldn't find the one..
I just want to call some function in the controller when radio button is selected.
...
Why does Javascript's regex.exec() not always return the same value? [duplicate]
... matches by performing the assignment as the loop condition.
var re = /foo_(\d+)/g,
str = "text foo_123 more text foo_456 foo_789 end text",
match,
results = [];
while (match = re.exec(str))
results.push(+match[1]);
DEMO: http://jsfiddle.net/pPW8Y/
If you don't like the placem...
Temporarily disable auto_now / auto_now_add
...s:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.objects.get(pk=1)
# force a timestamp
lastweek = datetime.datetime.now() - datetime.timedelta(days=7)
FooBar.obj...