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What is the documents directory (NSDocumentDirectory)?
...ch with @"~/Documents". Hardcoding paths is never a good idea. It may work now, but if Apple ever chooses to rename or move the Documents directory, your app will break. NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); will always give you the correct directory!
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Find JavaScript function definition in Chrome
... this but in the browser would be much better. I mean, the browser has to know this, so why not expose it? What I expected was something like:
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How to profile methods in Scala?
...noTime()
println("Elapsed time: " + (t1 - t0) + "ns")
result
}
// Now wrap your method calls, for example change this...
val result = 1 to 1000 sum
// ... into this
val result = time { 1 to 1000 sum }
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/etc/apt/sources.list" E212: Can't open file for writing
...udo vim FILE. Or if you don't want to leave your existing vim session (and now have proper sudo rights), you can issue:
:w !sudo tee % > /dev/null
Which will save the file.
HTH
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improv...
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...rer :) I didn't realize the efficiency difference - that's very useful to know. Same for the hoisting effect - tricky, indeed. Thanks for such a great answer, I learned a lot from it!
– Leo
Dec 22 '10 at 11:09
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How can I find the number of arguments of a Python function?
How can I find the number of arguments of a Python function? I need to know how many normal arguments it has and how many named arguments.
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Unresolved Import Issues with PyDev and Eclipse
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I tried this and now I can't start my DEV server. How do I replace the file?
– Lee Loftiss
May 2 '19 at 13:49
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Cannot ignore .idea/workspace.xml - keeps popping up
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I had this problem just now, I had to do git rm -f .idea/workspace.xml
now it seems to be gone (I also had to put it into .gitignore)
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impro...
#define macro for debug printing in C?
...() in the example — to handle things like 'stderr'. It requires you to know how to write varargs functions, but that isn't hard:
#include <stdarg.h>
#include <stdio.h>
void dbg_printf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);...
How to use NSURLConnection to connect with SSL for an untrusted cert?
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These methods are now considered deprecated as of iOS 5.0 and Mac OS X 10.6. The -(void)connection:(NSURLConnection *)connection willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge method should be used instead....