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How to display hidden characters by default (ZERO WIDTH SPACE ie. ​)
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@WillSewell, you may affect the color by selecting Settings -> Editor -> Color Scheme -> General, then within that category, go to Text -> Whitespaces. I changed mine from the default Foreground #505050 to #404040 , and find them visible but not distract...
How to add multi line comments in makefiles
...ng your makefiles in VIM:
Either decide which lines you want to comment or select them with 'v'.
Then you can use the regex s/^/#/ to comment out the lines
and s/^#// to revert them.
--Notes--
To open the vim command line, press : (colon)
To prep the command for the next 'n' lines, use .,+n
A ...
src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
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The selected answer is right but I just wanted to add for those who use Fedora: libxslt1 is called libxslt when using dnf. So the command is:
sudo dnf install libxml2-devel libxslt-devel
devel for dnf is the same as dev for ap...
Is storing a delimited list in a database column really that bad?
Imagine a web form with a set of check boxes (any or all of them can be selected). I chose to save them in a comma separated list of values stored in one column of the database table.
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Django: multiple models in one template using forms [closed]
...belong to Tickets via a ForeignKey as well. I'd like to have the option of selecting a Customer (that's a whole separate project) OR creating a new Customer, then creating a Ticket and finally creating a Note assigned to the new ticket.
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jQuery - get a list of values of an attribute from elements of a class
... to get a list of all the different values of level on the page so I can select the highest one.
5 Answers
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sed: print only matching group
... -d " " -f 6-7
Will result in output of:
2 3.4
-d sets the delimiter
-f selects the range of 'fields' to output, in this case, it's the 6th through 7th chunks of the original string. You can also specify the range as a list, such as 6,7.
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How can I save a screenshot directly to a file in Windows? [closed]
...itmap!=IntPtr.Zero)
{
IntPtr hOld = (IntPtr) WIN32_API.SelectObject(hMemDC, m_HBitmap);
WIN32_API.BitBlt(hMemDC, 0, 0,size.cx,size.cy, hDC, 0, 0, WIN32_API.SRCCOPY);
WIN32_API.SelectObject(hMemDC, hOld);
WIN32_API.DeleteDC(hMemDC);
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Perform Segue programmatically and pass parameters to the destination view
...de on how to do what you are asking. In this case I am passing data from a selected cell in a table view to another view controller.
in the .h file of the trget view:
@property(weak, nonatomic) NSObject* dataModel;
in the .m file:
@synthesize dataModel;
dataModel can be string, int, or lik...
Retrieve the commit log for a specific line in a file?
...y easy way to do this is by using vim-fugitive. Just open the file in vim, select the line(s) you're interested in using V, then enter
:Glog
Now you can use :cnext and :cprev to see all the revisions of the file where that line is modified. At any point, enter :Gblame to see the sha, author, and ...