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What do the makefile symbols $@ and $< mean?
...icate filenames removed since for most uses, such as
compiling, copying, etc., duplicates are not wanted.
$+: Similar to $^, this is the names of all the prerequisites separated
by spaces, except that $+ includes duplicates. This variable was
created for specific situations such as arguments...
What's the difference between `on` and `live` or `bind`?
...;td><div><div><div><ul><li><button> etc etc etc...)
So, bind, like click, like other shortcut event binders attach directly to the event target. If you have a table of, let's say, 1000 lines and 100 columns, and each of the 100'000 cells includes a checkbox wh...
Unable to Cast from Parent Class to Child Class
... what if he wants a dog that's the same eye color/weight/hair pattern/age, etc as the cat that's being held in the mammal object? Essentially copying the common properties.
– FastAl
Jun 18 '10 at 14:02
...
Difference between Node object and Element object?
... are many other types of nodes (text nodes, comment nodes, document nodes, etc...).
The DOM consists of a hierarchy of nodes where each node can have a parent, a list of child nodes and a nextSibling and previousSibling. That structure forms a tree-like hierarchy. The document node would have its...
Check to see if python script is running
...ns up its pidfile under any circumstances (when killed, exceptions raised, etc.).
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Differences between Ant and Maven [closed]
...tory", "Put the results in target/classses", "Create a JAR from the ....", etc. Where Ant had to be explicit about the process, there was something "built-in" to Maven that just knew where the source code was and how it should be processed.
High-level Comparison
The differences between Ant and Ma...
Jasmine JavaScript Testing - toBe vs toEqual
...
For primitive types (e.g. numbers, booleans, strings, etc.), there is no difference between toBe and toEqual; either one will work for 5, true, or "the cake is a lie".
To understand the difference between toBe and toEqual, let's imagine three objects.
var a = { bar: 'baz' },
...
What is base 64 encoding used for?
...al: store the decimal value of each byte as three numbers: 045 112 101 037 etc. where each byte is represented by 3 bytes. The data bloats three-fold.
Hexadecimal: store the bytes as hex pairs: AC 47 0D 1A etc. where each byte is represented by 2 bytes. The data bloats two-fold.
Base-64 maps 3 byt...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
...service as non-root but bind low ports. The short answer is that you do:
setcap 'cap_net_bind_service=+ep' /path/to/program
And then anytime program is executed thereafter it will have the CAP_NET_BIND_SERVICE capability. setcap is in the debian package libcap2-bin.
Now for the caveats:
You wi...
Should services always return DTOs, or can they also return domain models?
...ax)
Project lifetime is 2 years or so.
No separate team for GUI, backend, etc.
Arguments Against DTO
Duplication of code.
Cost of development time, debugging. (use DTO generation tools http://entitiestodtos.codeplex.com/)
You must synchronize both models all the time.
Cost of developement: Ad...