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How to tell if node.js is installed or not
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@user1340052, exec() returns the last line from the output, so you should be fine there. php.net/manual/en/function.exec.php
– Brad
May 7 '12 at 2:37
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How do I write a custom init for a UIView subclass in Swift?
... initializing your instance variables. If this view is being reconstituted from a Nib then your custom initializer will not be called, and instead the init?(coder:) version will be called. Since Swift now requires an implementation of the required init?(coder:), I have updated the example below and ...
Iterate over the lines of a string
...he same results as the others (trailing blanks on a line are kept), i.e.:
from cStringIO import StringIO
def f4(foo=foo):
stri = StringIO(foo)
while True:
nl = stri.readline()
if nl != '':
yield nl.strip('\n')
else:
raise StopIteration
Meas...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
The limit of int is from -2147483648 to 2147483647.
5 Answers
5
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What is the best data type to use for money in C#?
...stem.Decimal
The Decimal value type represents decimal numbers ranging from positive 79,228,162,514,264,337,593,543,950,335 to negative 79,228,162,514,264,337,593,543,950,335. The Decimal value type is appropriate for financial calculations requiring large numbers of significant integral and fra...
What is the difference between const int*, const int * const, and int const *?
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For those who don't know about Clockwise/Spiral Rule:
Start from the name of the variable, move clockwisely (in this case, move backward) to the next pointer or type. Repeat until expression ends.
Here is a demo:
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Base64: What is the worst possible increase in space usage?
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From Wikipedia
Note that given an input of n bytes,
the output will be (n + 2 - ((n + 2) %
3)) / 3 * 4 bytes long, so that the
number of output bytes per input byte
converges to 4 / 3 or 1.33333 for
large n.
S...
How to make Entity Framework Data Context Readonly
... class MyReadOnlyContext : DbContext
{
// Use ReadOnlyConnectionString from App/Web.config
public MyContext()
: base("Name=ReadOnlyConnectionString")
{
}
// Don't expose Add(), Remove(), etc.
public DbQuery<Customer> Customers
{
get
{
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What is the difference between a regular string and a verbatim string?
...teral were used.
There is no difference at runtime between strings created from regular string literals and strings created from a verbatim string literals - they are both of type System.String.
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rreplace - How to replace the last occurrence of an expression in a string?
Is there a quick way in Python to replace strings but, instead of starting from the beginning as replace does, starting from the end? For example:
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