大约有 8,200 项符合查询结果(耗时:0.0333秒) [XML]
Convert String to Float in Swift
I'm trying to convert numbers taken from a UITextField, which I presume, are actually Strings, and convert them to Float, so I can multiply them.
...
Is CSS Turing complete?
CSS isn't, insofar as I know, Turing complete. But my knowledge of CSS is very limited.
7 Answers
...
System.BadImageFormatException: Could not load file or assembly [duplicate]
service is x86 compiled even both computers are x64 and it works on my computer. Here in server where is win 2008 i get this error.
...
How do I start Mongo DB from Windows?
...ave installed MongoDB on my Windows 7 (64 bit) machine. I have created the path data/db too but when I tried to start mongodb using the command 'C:\mongodb\bin\mongod.exe' , it is not starting. It is showing admin web console waiting for connections on port 28017 .
...
How do I flush the cin buffer?
...
Possibly:
std::cin.ignore(INT_MAX);
This would read in and ignore everything until EOF. (you can also supply a second argument which is the character to read until (ex: '\n' to ignore a single line).
Also: You probably wa...
How to remove all of the data in a table using Django
...
Inside a manager:
def delete_everything(self):
Reporter.objects.all().delete()
def drop_table(self):
cursor = connection.cursor()
table_name = self.model._meta.db_table
sql = "DROP TABLE %s;" % (table_name, )
cursor.execute(sql)
...
Cannot hide status bar in iOS7
I just upgraded my iPhone 5 iOS 7 to four beta version. Now when I run my app from Xcode 5 on this iPhone, status bar doesn’t hide, even though it should.
...
Running Selenium WebDriver python bindings in chrome
I ran into a problem while working with Selenium. For my project, I have to use Chrome. However, I can't connect to that browser after launching it with Selenium.
...
Render a string in HTML and preserve spaces and linebreaks
I have an MVC3 app that has a details page. As part of that I have a description (retrieved from a db) that has spaces and new lines. When it is rendered the new lines and spaces are ignored by the html. I would like to encode those spaces and new lines so that they aren't ignored.
...
how to check if object already exists in a list
...
It depends on the needs of the specific situation. For example, the dictionary approach would be quite good assuming:
The list is relatively stable (not a lot of inserts/deletions, which dictionaries are not optimized for)
The li...
