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difference between #if defined(WIN32) and #ifdef(WIN32)
...lif defined(UNIX) && !defined(WIN32)
/* Do linux stuff */
#else
/* Error, both can't be defined or undefined same time */
#endif
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Replace input type=file by an image
...ill increase the size of the "browse" button. It then takes some trial and error using the negative left / top properties to position the input browse button behind your label.
When positioning the button, set the alpha to 1. When you've finished set it back to 0 (so you can see what you're doing!)...
What's the use of session.flush() in Hibernate
...ess object, which has a unique constraint on the address, you won't get an error until you commit.
Calling flush() forces the row to be inserted, throwing an Exception if there is a duplicate.
However, you will have to roll back the session after the exception.
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nodejs vs node on ubuntu 12.04
... nodejs-legacy
After that, when I type "node" in command line I'm get an error message "/usr/sbin/node: No such file or directory"
Second, what I did, it's a symbolic link on "nodejs":
sudo ln -s /usr/bin/nodejs /usr/sbin/node
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Turn a string into a valid filename?
...hitespace from the valid_chars and prepend a known valid string in case of error, any other approach will have to know about what is allowed where to cope with Windows file naming limitations and thus be a lot more complex.
>>> import string
>>> valid_chars = "-_.() %s%s" % (stri...
How can I check if a Perl array contains a particular value?
...w to Perl 5.10. Took some time before I figured out why I'm getting syntax errors.
– Igor Skochinsky
Jun 11 '14 at 16:12
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Why does dividing two int not yield the right value when assigned to double?
... this casting to prevent type inaccuracies without raising an exception or error).
If you'd like to keep the result as a double you're going to want to create a situation where you have
double var = double result
The easiest way to do that is to force the expression on the right side of an equatio...
Standardize data columns in R
...class numeric) to Nx1 matrices. This might (and in my case did) cause some errors in packages that assume each column of a data.frame is a vector.
– Julian Karch
Nov 30 '16 at 11:49
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Adding System.Web.Script reference in class library
...o System.Web.Extensions.dll in project for System.Web.Script.Serialization error.
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Replacement for deprecated sizeWithFont: in iOS 7?
...mpiler warning on ios7+ for referencing sizeWithFont, or a compile warning/error on < ios7 for referencing sizeWithAttributes! Probably best to use a macro instead of checking respondsToSelector - if necessary. But as you can't deliver to apple with ioS6 SDK any more...it probably isn't!
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