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How do you get the list of targets in a makefile?
...al order - i.e.: invoke as make list:
.PHONY: list
list:
@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$'
Important: On pasting this, make...
How to copy a collection from one database to another in MongoDB
...estion for toying around with the shell. Plus, it would not bring over the indexes. If I was doing this, I would do the mongodump/mongorestore every time.
– Jason McCay
Jul 19 '12 at 6:18
...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
... the operand width). x86's lzcnt does that, too, while bsr produces a bit-index that the compiler has to flip unless you use 31-__builtin_clz(x).
(The "undefined result" is not C Undefined Behavior, just a value that isn't defined. It's actually whatever was in the destination register when the i...
Programmatically get the cache line size?
...x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also.
– Abid Rahman K
Aug 8 '13 at 4:43
...
Opacity of div's background without affecting contained element in IE 8?
...iv with this set of styles:
position: fixed;
width: 100%;
height: 100%;
z-index: 1000; /* some high enough value so it will render on top */
opacity: .5;
filter: alpha(opacity=50);
Then when you display the content it should have a higher z-index. But these two elements are not related in terms o...
Making custom right-click context menus for my web-app
...SS3 */
/* The whole thing */
.custom-menu {
display: none;
z-index: 1000;
position: absolute;
overflow: hidden;
border: 1px solid #CCC;
white-space: nowrap;
font-family: sans-serif;
background: #FFF;
color: #333;
border-radius: 5px;
padding:...
How to change facet labels?
...beller=hospital_labeller)
...
This uses the levels of the data frame to index the hospital_names list, returning the list values (the correct names).
Please note that this only works if you only have one faceting variable. If you have two facets, then your labeller function needs to return a d...
Get list of passed arguments in Windows batch script (.bat)
...
%~dp0 - drive and path to the script (d:\scripts)
%~dpnx0 - is the fully qualified path name of the script (d:\scripts\some-batch.bat)
More info examples at https://www.ss64.com/nt/syntax-args.html and https://www.robvanderwoude.com/parameters.html
...
Change the selected value of a drop-down list with jQuery
...are a little more complicated if this isn't the case.
To read the selected index of a drop down list, you would use this:
$("#dropDownList").prop("selectedIndex");
To set the selected index of a drop down list, you would use this:
$("#dropDownList").prop("selectedIndex", 1);
Note that the prop() f...
UTF-8: General? Bin? Unicode?
... that with utf8_general_ci when using a varchar field as unique or primary index inserting 2 values like 'a' and 'á' would give a duplicate key error.
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