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How to paste over without overwriting register
...o hide this function (yet)
function! RestoreRegister()
let @" = s:restore_reg
return ''
endfunction
function! s:Repl()
let s:restore_reg = @"
return "p@=RestoreRegister()\<cr>"
endfunction
" NB: this supports "rp that replaces the selection by the contents of @r
vnoremap <sile...
How to send a command to all panes in tmux?
...ction around tmux and added a custom function called send-keys-all-panes.
_tmux_send_keys_all_panes_ () {
for _pane in $(tmux list-panes -F '#P'); do
tmux send-keys -t ${_pane} "$@"
done
}
I also create a wrapper around the tmux command to simplify calling this function (for convenience)....
Reading a huge .csv file
...tly over getdata() in your code:
for row in getdata(somefilename, sequence_of_criteria):
# process row
You now only hold one row in memory, instead of your thousands of lines per criterion.
yield makes a function a generator function, which means it won't do any work until you start looping ...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...ke this:
// Attach EventHandler
PlayerModel.PropertyChanged += PlayerModel_PropertyChanged;
...
// When property gets changed in the Model, raise the PropertyChanged
// event of the ViewModel copy of the property
PlayerModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e....
Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
...
While compiling in RHEL 6.2 (x86_64), I installed both 32bit and 64bit libstdc++-dev packages, but I had the "c++config.h no such file or directory" problem.
Resolution:
The directory /usr/include/c++/4.4.6/x86_64-redhat-linux was missing.
I did the foll...
Is the LIKE operator case-sensitive with MSSQL Server?
...inherits the collation from the database it belongs.
A collation like sql_latin1_general_cp1_ci_as dictates how the content of the column should be treated. CI stands for case insensitive and AS stands for accent sensitive.
A complete list of collations is available at https://msdn.microsoft.com/...
How to disable and re-enable console logging in Python?
...
You can use:
logging.basicConfig(level=your_level)
where your_level is one of those:
'debug': logging.DEBUG,
'info': logging.INFO,
'warning': logging.WARNING,
'error': logging.ERROR,
'critical': logging.CRITICAL
So, if you set your_l...
What is the difference between char s[] and char *s?
...So:
char *x = "Foo";
// is approximately equivalent to:
static const char __secret_anonymous_array[] = "Foo";
char *x = (char *) __secret_anonymous_array;
Note that you must not ever attempt to modify the contents of this anonymous array via this pointer; the effects are undefined (often meaning ...
Converting a string to a date in JavaScript
...
function stringToDate(_date,_format,_delimiter)
{
var formatLowerCase=_format.toLowerCase();
var formatItems=formatLowerCase.split(_delimiter);
var dateItems=_date.split(_delimiter);
var monthIndex=f...
How to convert a java.util.List to a Scala list
...
import scala.collection.JavaConversions._
will do implicit conversion for you; e.g.:
var list = new java.util.ArrayList[Int](1,2,3)
list.foreach{println}
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