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How to build Qt for Visual Studio 2010
... it, just type:
nmake
Setting environment variables
Basically, we are done. All you need to do is to set your environment variables (QTDIR and PATH), which tell programs where to find Qt. If you are on Windows 7, you can use the following command to set QTDIR to your installation dir.
setx QTDI...
How do I redirect output to a variable in shell? [duplicate]
...to use the read command.
Here's how you do it
# I would usually do this on one line, but for readability...
series | of | commands \
| \
(
read string;
mystic_command --opt "$string" /path/to/file
) \
| \
handle_mystified_file
Here is what it is doing and why it is important:
Let's pretend tha...
UTF-8: General? Bin? Unicode?
...s that utf8_unicode_ci supports mappings such as expansions; that is, when one character compares as equal to combinations of other characters. For example, in German and some other languages “ß” is equal to “ss”. utf8_unicode_ci also supports contractions and ignorable characters. utf8_gen...
Is it good practice to use java.lang.String.intern()?
...y reference (== is faster than equals)
Are there side effects not mentioned in the Javadoc?
The primary disadvantage is that you have to remember to make sure that you actually do intern() all of the strings that you're going to compare. It's easy to forget to intern() all strings and then you...
UIActivityViewController crashing on iOS 8 iPads
... my app with Xcode 6 (Beta 6). UIActivityViewController works fine with iPhone devices and simulators but crashes with iPad simulators and devices (iOS 8) with following logs
...
iPhone app in landscape mode, 2008 systems
...ll-known problem at hand here: if you are trying to swap between MORE THAN ONE view (all landscape), IT SIMPLY DOES NOT WORK. It is essential to remember this or you will waste days on the problem. It is literally NOT POSSIBLE. It is the biggest open, known, bug on the iOS platform. There is litera...
Returning a value from thread?
...
One of the easiest ways to get a return value from a thread is to use closures. Create a variable that will hold the return value from the thread and then capture it in a lambda expression. Assign the "return" value to this v...
It is more efficient to use if-return-return or if-else-return?
...of the current function, the two forms are equivalent (although the second one is arguably more readable than the first).
The efficiency of both forms is comparable, the underlying machine code has to perform a jump if the if condition is false anyway.
Note that Python supports a syntax that allow...
Everyauth vs Passport.js?
...ve and negative comparisons between the two that would make me want to use one over the other?
7 Answers
...
What are all the user accounts for IIS/ASP.NET and how do they differ?
...ere is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list:
...