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Rails hidden field undefined method 'merge' error
I wanna do something like this in rails
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Difference between 'self' and 'total' in Chrome CPU Profile of JS
What is the difference between the 'self' and 'total' columns in the Chrome CPU profiling of JS code?
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Is there a way to change context to iframe in javascript console?
...t developer tool/firebug console to execute its code like it is running from inside an iframe on the page.
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How to pass the values from one activity to previous activity
How do I pass a value from one screen to its previous screen?
6 Answers
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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...while (1) Vs. for (;;) Is there a speed difference? , I decided to run a similar comparison in python. I expected that the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7.
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Xcode variables
...Xcode, I know that you can get variables such as PROJECT_DIR to use in some situations, such as a run script build phase. I am wondering if it's possible to get the build type (i.e., Release or Debug ). Any ideas?
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JNI converting jstring to char *
I have passed a URL string from Java to C code as jstring data type through the use of JNI. And my library method needs a char * as url.
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Initialize a long in Java
Primitive Data Types - oracle doc says the range of long in Java is -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 .
But when I do something like this in my eclipse
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How can I get pg_dump to authenticate properly
...st variable PGPASSWORD and .pgpass and neither of these two will allow me to authenticate to the database. I have chmod 'd .pgpass to appropriate permissions and also tried:
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CSS: transition opacity on mouse-out?
Why does this only animate the opacity when I hover-in but not when I leave the object with the mouse?
3 Answers
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