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How to export DataTable to Excel
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I would recommend ClosedXML -
You can turn a DataTable into an Excel worksheet with some very readable code:
XLWorkbook wb = new XLWorkbook();
DataTable dt = GetDataTableOrWhatever();
wb.Worksheets.Add(dt,"WorksheetName");
The dev...
Is it possible to Turn page programmatically in UIPageViewController?
...tion)direction
animated:(BOOL)animated
completion:(void (^)(BOOL finished))completion;`
That is the same method used for setting up the first view controller on the page. Similar, you can use it to go to other pages.
Wonder why viewControllers is an array, and ...
Can I write into the console in a unit test? If yes, why doesn't the console window open?
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For me this comment from Michael said everything I needed to think about: "When you run a unit test through VS2010, standard output is redirected by the test harness and stored as part of the test output."
– Robert ...
Rails Model, View, Controller, and Helper: what goes where?
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If using maven, usually you put log4j.properties under java or resources?
...estion, but its not the best solution. Check out the other answers and the comments on this ... you would probably not shipping your own logging properties with the jar but instead leave it to the client (for example app-server, stage environment, etc) to configure the desired logging. Thus, putting...
Best way to remove from NSMutableArray while iterating?
...e formulation should be faster. i.e. If you iterate through the array and compose a new array of objects to keep, instead of objects to discard. That may be true (although what about the memory and processing cost of allocating a new array, and discarding the old one?) but even if it's faster it m...
Use of “global” keyword in Python
...s not defined
While if you use the global statement, the variable will become available "outside" the scope of the function, effectively becoming a global variable.
def bob():
global me
me = "locally defined" # Defined locally but declared as global
print(me)
bob()
print(me) # ...
With Mercurial, how can I “compress” a series of changesets into one before pushing?
... I start working on a feature. I work on it, and when I think it's done, I commit the changeset. Testing it a bit more, I find that I could further improve this feature by tweaking something in the code. I make the change and commit. 20 minutes later, I find there's a bug in this new feature, so I f...
Edit and Continue: “Changes are not allowed when…”
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community wiki
5 revs, 2 users 71%nightcoder
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Multi-line string with extra space (preserved indentation)
...redoc sounds more convenient for this purpose. It is used to send multiple commands to a command interpreter program like ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates where to stop.
To send these lines to a file, use...