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iphone Core Data Unresolved error while saving
...entity the error occurred on, the relationship/attribute that was missing, etc). The keys you use to inspect the userInfo dictionary can be found in the reference docs here.
This is the block of code I use to get reasonable output from the error returned during a save:
NSError* error;
if(...
Creating virtual directories in IIS express
...dering if I could point it to another file in the style of UserAppSettings etc.
– Ian Grainger
May 17 '13 at 13:50
...
...t; - is for Page directives, registering assemblies, importing namespaces, etc.
<%= %> - is short-hand for Response.Write (discussed here)
<%# %> - is used for data binding expressions.
<%: %> - is short-hand for Response.Write(Server.HTMLEncode()) ASP.net 4.0+
<%#: %> - is u...
Combining node.js and Python
... as the server or vice-versa
API connection with Express/Flask/Tornado etc working separately with an API endpoint exposed for the other to query
Approach 1 Python Shell Simplest approach
source.js file
const ps = require('python-shell')
// very important to add -u option since our python s...
Removing ul indentation with CSS
...header:
#info p {
text-align: center;
}
Do you need the fixed width etc.? I removed the in my opinion not necessary stuff and centered the header with text-align.
Sample
http://jsfiddle.net/Vc8CB/
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How to find topmost view controller on iOS
...ildViewControllers (as used by UINavigationController, UITabBarController, etc.).
– algal
Jun 4 '13 at 12:45
3
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cocoapods - 'pod install' takes forever
... a git clone operation that's taking too long because of your slow network etc)
to have an even better idea of why it seems to be stuck (running verbose can get you something like this
-> Installing Typhoon (2.2.1)
> GitHub download
> Creating cache git repo (~/Library/Caches/CocoaPods/...
Useful GCC flags for C
...
Always use -O or above (-O1, -O2, -Os, etc.). At the default optimization level, gcc goes for compilation speed and doesn't do enough analysis to warn about things like unitialized variables.
Consider making -Werror policy, as warnings that don't stop the compila...
What does int argc, char *argv[] mean?
...issisble, though eccentric, to use: char *args[] = { "cat", "/dev/null", "/etc/passwd", 0 }; execv("/bin/ls", args);. On many systems, the value seen by the program as argv[0] will be cat, even though the executable is /bin/ls.
– Jonathan Leffler
Feb 5 '16 at ...
Calling Java from Python
...nd Py4J has its own protocol (to optimize certain cases, to manage memory, etc.)
Disclaimer: I am the author of Py4J
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