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How to redirect output of an entire shell script within the script itself?
... changing the I/O redirections in the current shell. This is distinguished by having no argument to exec.
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Difference between SPI and API?
...use it routinely when you use a JDBC driver and it needs to be implemented by the developer of the JDBC driver.
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Google Developer Tools “Network” Tab clears after redirect
...pparently, the issue is manifesting itself when you are filtering requests by "Doc". This filter is quite useful for filtering out all the noise from resource requests. In any case, when filtering by "Doc" (or some other filter), the original (pre-direction) POST requests are still recorded, but ke...
Swift: Testing optionals for nil
...nal for nil. Other conditions can be appended to this nil check, separated by comma. The variable must not be nil to move for the next condition. If only nil check is required, remove extra conditions in the following code.
Other than that, if x is not nil, the if closure will be executed and x_val...
Can multiple different HTML elements have the same ID if they're different elements?
...nsequence is undefined behavior, for example, what does document.getElementById("#foo") or $("#foo") return when there are multiple #foos? You'll run into problems being able to work with these elements from JS, pass them as selectors to libraries/APIs/Flash, etc.
– mrooney
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How do I check if a string is a number (float)?
... ]
a_float = '.1234'
print('Float notation ".1234" is not supported by:')
for f in funcs:
if not f(a_float):
print('\t -', f.__name__)
Float notation ".1234" is not supported by:
- is_number_regex
scientific1 = '1.000000e+50'
scientific2 = '1e50'
print('Scientific notation ...
Order Bars in ggplot2 bar graph
... that you can do this a little more succincly, if all you want is to order by the length function and ascending order is okay, which is something I often want to do: ggplot(theTable,aes(x=reorder(Position,Position,length))+geom_bar()
– postylem
Apr 17 at 17:31
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how to convert from int to char*?
...ean: Why it "should not involve std::string"? . One should use std::string by default, instead of char*.
– Nawaz
Jan 25 '16 at 10:49
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Why does casting int to invalid enum value NOT throw exception?
...s a decision on the part of the people who created .NET. An enum is backed by another value type (int, short, byte, etc), and so it can actually have any value that is valid for those value types.
I personally am not a fan of the way this works, so I made a series of utility methods:
/// <summa...
Xcode changes unmodified storyboard and XIB files
...;document> tag's toolsVersion and systemVersion attributes altered by whatever configuration the most recent file manipulator happens to be running. Synchronizing everybody's Xcode versions precisely seems to help with toolsVersion , but systemVersion changes no matter what, depending on ...