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getActivity() returns null in Fragment function
... suggest adding an
onAttach(Activity activity)
method to your Fragment and putting a break point on it and seeing when it is called relative to your call to asd(). You'll see that it is called after the method where you make the call to asd() exits. The onAttach call is where the Fragment is att...
New line in Sql Query
...blog.sqlauthority.com/2009/07/01/sql-server-difference-between-line-feed-n-and-carriage-return-r-t-sql-new-line-char/
DECLARE @NewLineChar AS CHAR(2) = CHAR(13) + CHAR(10)
PRINT ('SELECT FirstLine AS FL ' + @NewLineChar + 'SELECT SecondLine AS SL')
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How do I link a JavaScript file to a HTML file?
...JavaScript.
type - specify the type of the script
src - script file name and path
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rvm installation not working: “RVM is not a function”
...inal after this setting the flag.
Sometimes it is required to set the command to /bin/bash --login.
For remote connections it is important to understand the differene between running interactive ssh session and executing single commands.
While running ssh server and then working with the server...
phpmyadmin logs out after 1440 secs
In my local development Ubuntu box I use MySQL and phpmyadmin to work with the database.
24 Answers
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sql primary key and index
...x does no good, but the only harm (very small) is the additional file size and row-creation overhead.
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Reliable timer in a console application
... a threaded timer as the other types can drift if the main thread is busy, and I need this to be reliable.
2 Answers
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Is it possible to forward-declare a function in Python?
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If you don't want to define a function before it's used, and defining it afterwards is impossible, what about defining it in some other module?
Technically you still define it first, but it's clean.
You could create a recursion like the following:
def foo():
bar()
def bar()...
xtreme toolkit pro——CXTPReportControl控件教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
xtreme toolkit pro——CXTPReportControl控件教程CXTPReportControl控件是xtreme toolkit pro中的一个控件，它用来显示表格，可以显示表头表尾，可以对各列排序，拖放，等等，，也可以对...CXTPReportControl控件是xtreme toolkit pro中的一个控件，它用...
Origin is not allowed by Access-Control-Allow-Origin
I read about cross domain ajax requests, and understand the underlying security issue. In my case, 2 servers are running locally, and like to enable cross domain requests during testing.
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