大约有 47,000 项符合查询结果(耗时:0.0676秒) [XML]

https://stackoverflow.com/ques... 

How to conditionally push an item in an observable array?

...f). This allows you to do: if (myObservableArray.indexOf(itemToAdd) < 0) { myObservableArray.push(itemToAdd); } If the two are not actually a reference to the same object and you want to run custom comparison logic, then you can use ko.utils.arrayFirst like: var match = ko.utils.arrayFirst...
https://stackoverflow.com/ques... 

SQL query for today's date minus two months

... 290 If you are using SQL Server try this: SELECT * FROM MyTable WHERE MyDate < DATEADD(month, -2...
https://stackoverflow.com/ques... 

How to export plots from matplotlib with transparent background?

...e keyword argument transparent=True to save the image as a png file. In [30]: x = np.linspace(0,6,31) In [31]: y = np.exp(-0.5*x) * np.sin(x) In [32]: plot(x, y, 'bo-') Out[32]: [<matplotlib.lines.Line2D at 0x3f29750>] In [33]: savefig('demo.png', transparent=True) Result: ...
https://stackoverflow.com/ques... 

How to open a web server port on EC2 instance

I'm running a CherryPy web server at 0.0.0.0:8787 on an EC2 instance. 3 Answers 3 ...
https://stackoverflow.com/ques... 

Is it bad practice to return from within a try catch finally block?

... | edited Oct 2 '09 at 20:35 answered Jan 16 '09 at 0:38 ...
https://stackoverflow.com/ques... 

Can git operate in “silent mode”?

... 20 Redirecting output to /dev/null seems like a natural way of doing it to me. Although I have in t...
https://stackoverflow.com/ques... 

Bootstrap 3 modal vertical position center

...: inline-block; vertical-align: middle; content: " "; height: 100%; } } .modal-dialog { display: inline-block; text-align: left; vertical-align: middle; } And adjust a little bit .fade class to make sure it appears out of the top border of window, instead of center ...
https://stackoverflow.com/ques... 

Google Authenticator implementation in Python

...st() o = ord(h[19]) & 15 h = (struct.unpack(">I", h[o:o+4])[0] & 0x7fffffff) % 1000000 return h def get_totp_token(secret): return get_hotp_token(secret, intervals_no=int(time.time())//30) It has two functions: get_hotp_token() generates one-time token (that should in...
https://stackoverflow.com/ques... 

Break out of a While…Wend loop

...o a Do loop instead: Do While True count = count + 1 If count = 10 Then Exit Do End If Loop Or for looping a set number of times: for count = 1 to 10 msgbox count next (Exit For can be used above to exit prematurely) ...
https://stackoverflow.com/ques... 

In Intellij, how do I toggle between camel case and underscore spaced?

...:19 Meo 10.1k33 gold badges3939 silver badges4949 bronze badges answered Jun 27 '13 at 18:56 DannyMoDannyMo ...