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How do you run multiple programs in parallel from a bash script?
...d process to complete before moving forward with the execution of the next set of commands. #!/usr/bin/env bash ARRAY='cat bat rat...
How come a non-const reference cannot bind to a temporary object?
...ly, but there was actually a bug like that in early Fortran compilers that set aside a memory location to hold the value 0.
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How does the static modifier affect this code?
...n a top-down order.
The first to be called is the constructor of A, which sets num1 and num2 both to 1:
static A obj = new A();
Then,
static int num2=0;
is called and sets num2=0 again.
That is why num1 is 1 and num2 is 0.
As a side note, a constructor should not modify static variables, tha...
Is it possible in Java to catch two exceptions in the same catch block? [duplicate]
... @Peaches491 (1) the vast majority of Exceptions have the exact same set of methods; (2) if u want different behavior for Type1 and Type2 then u can not use this construct.
– emory
Jun 26 '12 at 19:32
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Explain the concept of a stack frame in a nutshell
...r for functions that don't need one. This avoids the instructions to save, set up and restore frame pointers; it also makes an extra register available in many functions)
Intel C++ Compiler have the following:
-fomit-frame-pointer (Determines whether EBP is used as a general-purpose register in ...
Case objects vs Enumerations in Scala
...ys to handle not finding a currency code string than "breaking" the closed set nature of the Currency type. UnknownCurrency being of type Currency can now sneak into other parts of an API.
It's advisable to push that case outside Enumeration and make the client deal with an Option[Currency] type tha...
Array versus linked-list
...fast insertion and deletion, I also needed fast lookup, so I went to a HashSet or a Dictionary.
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How to fix Python indentation
... appropriate number of spaces.
This command sets 'tabstop' to the new value given,
and if performed on the whole file, which is default,
should not make any visible change.
Careful: This command mo...
Writing files in Node.js
...
Currently there are three ways to write a file:
fs.write(fd, buffer, offset, length, position, callback)
You need to wait for the callback to ensure that the buffer is written to disk. It's not buffered.
fs.writeFile(filename, data, [encoding], callback)
All data must be stored at the same time...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
...
This is to do with the encoding of your terminal not being set to UTF-8. Here is my terminal
$ echo $LANG
en_GB.UTF-8
$ python
Python 2.7.3 (default, Apr 20 2012, 22:39:59)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> s ...