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How can I use Bash syntax in Makefile targets?
... as the shell is taken from the variable `SHELL'. If
this variable is not set in your makefile, the program `/bin/sh' is
used as the shell.
So put SHELL := /bin/bash at the top of your makefile, and you should be good to go.
BTW: You can also do this for one target, at least for GNU Make. Each t...
Resetting the UP-TO-DATE property of gradle tasks?
Is there a way I can force a gradle task to run again, or reset all tasks back to the not UP-TO-DATE state?
4 Answers
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Do you have to restart apache to make re-write rules in the .htaccess take effect?
...che documentation:
Most commonly, the problem is that AllowOverride is not set such that your configuration directives are being honored. Make sure that you don't have a AllowOverride None in effect for the file scope in question. A good test for this is to put garbage in your .htaccess file and rel...
Why not abstract fields?
...I could do that of course. And I had thought of it. But why do I have to set a value in the base class when I know for a fact that I'm going to override that value in every derived class? Your argument could also be used to argue that there is no value in allowing abstract methods either.
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load and execute order of scripts
...ult a dynamically added script tag to async unless the script tag has been set otherwise.
A script tag with async may be run as soon as it is loaded. In fact, the browser may pause the parser from whatever else it was doing and run that script. So, it really can run at almost any time. If the ...
How to get the list of all printers in computer
...
Try this:
foreach (string printer in System.Drawing.Printing.PrinterSettings.InstalledPrinters)
{
MessageBox.Show(printer);
}
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XPath OR operator for different nodes
... "|" is not really an "OR operator" in XPath.It permits you to build a nodeset composed from substrees of a whole XML tree. "//book|//cd" means among all child nodes and descendant of the root node find all ones named 'book' then find also all named 'cd'. If in the descendance of the root node the...
@Transactional(propagation=Propagation.REQUIRED)
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When the propagation setting is PROPAGATION_REQUIRED, a logical transaction scope is created for each method upon which the setting is applied. Each such logical transaction scope can determine rollback-only status individually, with an outer tra...
Database Structure for Tree Data Structure
...om/mvpawardprogram/2012/06/25/hierarchies-convert-adjacency-list-to-nested-sets
There are other models as well, including materialized path and nested sets:
http://communities.bmc.com/communities/docs/DOC-9902
Joe Celko has written a book on this subject, which is a good reference from a general S...
What does “coalgebra” mean in the context of programming?
...noids and so on. Most of the time, these things are introduced in terms of sets, but since we're among friends, I'll talk about Haskell types instead. (I can't resist using some Greek letters though—they make everything look cooler!)
An algebra, then, is just a type τ with some functions and ide...