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How can you diff two pipelines in Bash?
.../63 on a typical Linux system. Or for more details on exactly what system calls bash uses, this command on a Linux system will trace file and file-descriptor system calls
strace -f -efile,desc,clone,execve bash -c '/bin/true | diff -u - <(/bin/true)'
Without bash, you could make a named pip...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
I've a timer object. I want it to be run every minute. Specifically, it should run a OnCallBack method and gets inactive while a OnCallBack method is running. Once a OnCallBack method finishes, it (a OnCallBack ) restarts a timer.
...
Using jQuery To Get Size of Viewport
...if(typeof $=='undefined') {
alert("PROGRAMMER'S Error: you haven't called JQuery library");
} else if (typeof $.ui=='undefined') {
alert("PROGRAMMER'S Error: you haven't installed the UI Jquery library");
}
if(document.doctype==null || screen.height < parseInt($(...
What are Vertex Array Objects?
...nk of it as a geometry object. (As an old time SGI Performer programmer, I call them geosets.) The instance variables/members of the object are your vertex pointer, normal pointer, color pointer, attrib N pointer, ...
When a VAO is first bound, you assign these members by calling
glEnableClientSta...
Python __str__ versus __unicode__
...icode_compatible
class SomeClass():
def __str__(self):
return "Called __str__"
if __name__ == "__main__":
some_inst = SomeClass()
print(some_inst)
if (version_info > (3,0)):
print("Python 3 does not support unicode()")
else:
print(unicode(some_inst))
...
Setting up connection string in ASP.NET to SQL SERVER
...nnectionStrings["myConnectionString"].ConnectionString might be more technically correct.
– crush
Feb 5 '14 at 20:31
2
...
Where is the “Fold” LINQ Extension Method?
I found in MSDN's Linq samples a neat method called Fold() that I want to use. Their example:
2 Answers
...
Otherwise on StateProvider
...sion), where it includes a similar use of the .when(...) method (the first call to the function):
app.config(function($urlRouterProvider){
// when there is an empty route, redirect to /index
$urlRouterProvider.when('', '/index');
// You can also use regex for the match parameter
$urlRou...
What does the line “#!/bin/sh” mean in a UNIX shell script?
...
It's called a shebang, and tells the parent shell which interpreter should be used to execute the script.
e.g.
#!/usr/bin/perl <--perl script'
#!/usr/bin/php <-- php script
#!/bin/false <--- do-nothing script, because...
How does one make an optional closure in swift?
...nc then(onFulfilled: ()->(), onReject: (()->())?){
if let callableRjector = onReject {
// do stuff!
}
}
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