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How can I use NSError in my iPhone App?
...error:(NSError **)error
{
FSProfileInfo *profileInfo = [[FSProfileInfo alloc] init];
if (profileInfo)
{
/* ... lots of parsing code here ... */
if (profileInfo.username == nil)
{
*error = [NSError errorWithDomain:FSMyAppErrorDomain code:FSProfileParsi...
warning about too many open figures
...
in a Jupyter environment, does the memory allocation persist as long as the cell showing the plot exists?
– matanster
Aug 26 '18 at 15:34
3
...
How to add a touch event to a UIView?
...ler)
UITapGestureRecognizer *singleFingerTap =
[[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(handleSingleTap:)];
[self.view addGestureRecognizer:singleFingerTap];
//The event handling method
- (void)handleSingleTap:(UITapGestureRe...
Which C++ idioms are deprecated in C++11?
...eded.
Type Safe Enum Enumerations are very safe in C++11.
Prohibiting heap allocation: The = delete syntax is a much more direct way of saying that a particular functionality is explicitly denied. This is applicable to preventing heap allocation (i.e., =delete for member operator new), preventing co...
How do I delete all untracked files from my working directory in Mercurial?
...rm -rf * skips dot files and dot directories, including .hg/. By the same token, any other dotfile (say .evil-settings) will also survive and purge is better.
– dirkjot
Jan 28 '14 at 7:55
...
Most used parts of Boost [closed]
...brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really would have struggled.
...
Passing parameters in rails redirect_to
...erging: redirect_to act_house_path(request.parameters.except(:authenticity_token, :controller, :action, :utf8, :commit)
– mr i.o
Jun 16 '16 at 21:18
add a comment
...
print call stack in C or C++
...mpilation fails.
Output:
0# boost::stacktrace::basic_stacktrace<std::allocator<boost::stacktrace::frame> >::basic_stacktrace() at /usr/include/boost/stacktrace/stacktrace.hpp:129
1# my_func_1(int) at /home/ciro/test/boost_stacktrace.cpp:18
2# main at /home/ciro/test/boost_stacktrace...
What is the difference between buffer and cache memory in Linux?
...el will run heuristics to reclaim the memory by storing the cache data and allocating that memory to new process.
When any kind of file/data is requested then the kernel will look for a copy of the part of the file the user is acting on, and, if no such copy exists, it will allocate one new page of...
New line in JavaScript alert box
...it event of an Html.BeginForm(). \n does not work for me. I get an Illegal token error when the code gets hit. Apparently you need to escape both the newline character and the backslash that creates the newline character, like so: \\n
– Kehlan Krumme
Aug 21 '13...