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Objective-C Static Class Level variables
...program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the program. (Thus the method may never be invoked if the class is not used.)".
Feel free to use the static variable within any ClassA class/instance method.
Code sample:
file...
When should I use Inline vs. External Javascript?
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@callum Google has a different use-case from 99.999999% of websites. Of course they measure extremely carefully and even the smallest difference matters. But just because they found that in their particular use-case, inlining works better (probably because the scri...
How do I prevent angular-ui modal from closing?
... As question stated, Tell me a logic, which will prevent modal from closing ?
– Rahul Prasad
Apr 16 '16 at 12:39
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How do I clone a generic List in Java?
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Not really a clone though, is it? From the API docs "There are no guarantees on the type, mutability, serializability, or thread-safety of the List returned". Euw, don't want one of those. toCollection may be a better choice.
– Tom Hawti...
How to create circle with Bézier curves?
...y) and a circle radius. There also exists an engine that can create a path from Bézier curve points.
10 Answers
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/etc/apt/sources.list" E212: Can't open file for writing
...sion. I ended up writing out to a temporary file in /var and copying that from another ssh instance over to my home directory.
– Ross Aiken
Apr 4 '13 at 19:54
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Does a finally block always run?
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from the Sun Tutorials
Note: If the JVM exits while the try
or catch code is being executed, then
the finally block may not execute.
Likewise, if the thread executing the
try or catch code is interrupted or
kill...
Sankey Diagrams in R?
...networkD3/",
"master/JSONdata/energy.json")
Energy <- jsonlite::fromJSON(URL)
# Plot
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
Target = "target", Value = "value", NodeID = "name",
units = "TWh", fontSize = 12, nodeWidth = 30)
...
Does setting Java objects to null do anything anymore?
... explicitly set references A->B or B->C to null, for example.
Apart from that, most of the time the issue doesn't really arise, because in reality you're dealing with objects in collections. You should generally always be thinking of removing objects from lists, maps etc by calling the approp...
How to override equals method in Java
...bj.getClass()) ... rather than using the instanceofoperator or isAssignableFrom. This will require exact type match, rather than subtype match. - Symmetric requirement. Also to compare String or other Object types, you can use Objects.equals(this.name,other.name).
– YoYo
...