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Sorting a vector of custom objects
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Edit2: As Kappa suggests you can also sort the vector in the descending order by overloading a > operator and changing call of sort a bit:
struct MyStruct
{
int key;
std::string stringValue;
MyStruct(int k, const std::string& s) : key(k), stringValue(s) {}
bool operator...
Globally override key binding in Emacs
... Afaik, binding these is the first step org-mode suggests in order to use it, but the user has to define them himself (i.e. it's not done by default), and may choose any other while doing so. (also, it's because these bindings are supposed to be global, not bound to the org major mode)...
How to trace the path in a Breadth-First Search?
... # We check if the current node is already in the visited nodes set in order not to recheck it
elif vertex not in visited:
# enumerate all adjacent nodes, construct a new path and push it into the queue
for current_neighbour in graph_to_search.get(vertex, []):
...
What Every Programmer Should Know About Memory?
...ores sharing one physical core), but not enough trace-cache (and/or out-of-order execution resources) to gain throughput running two full computation threads on the same core. But modern CPUs (Sandybridge-family and Ryzen) are much beefier and should either run a real thread or not use hyperthreadi...
How to get the contents of a webpage in a shell variable?
... This is a really neat trick. I invoke a shell script via a php script on a proxy server. When asked, the proxy server turns on expensive servers which shut themselves off after 2 hours. I need the output from wget for standard output to feed back to the Jenkins console record.
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How to check whether an object has certain method/property?
...much any modern dynamic scripting language (Python, Javascript, VB script, PHP, Lua... I could go on and on). It's not a bug, it's a feature.
– Tim Keating
Dec 3 '11 at 14:36
5
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Customizing the template within a Directive
...: $compile(htmlText)(scope,function(_el){ element.replaceWith(_el); }); in order for the form's controller to recognize its newly formed existence and include it in validation. I could not get it to work in a directive's compile property.
– m.e.conroy
Mar 24 '...
Define: What is a HashSet?
...lculated from the hashcode of the object. Take a look here
HashSet is an unordered collection containing unique elements. It has the standard collection operations Add, Remove, Contains, but since it uses a hash-based implementation, these operations are O(1). (As opposed to List for example, which ...
Bash command to sum a column of numbers [duplicate]
... another FYI for OS X, I had to add a - at the end of the paste command in order for this to work on OS X 10.6.8.
– Clayton Stanley
Nov 9 '12 at 16:48
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rsync error: failed to set times on “/foo/bar”: Operation not permitted
...ying to set an arbitrary modification time (mtime) when copying files.
In order to do this darwin's system utime() function requires that the writing process effective uid is either the same as the file uid or super user's one, see opengroup utime's page.
Check this discussion on rsync mailing list...