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Changing password with Oracle SQL Developer
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SQL Developer has a built-in reset password option that may work for your situation. It requires adding Oracle Instant Client to the workstation as well. When instant client is in the path when SQL developer launches you will get the following option ena...
Show diff between commits
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Try
git diff k73ud^..dj374
to make sure to include all changes of k73ud in the resulting diff.
git diff compares two endpoints (instead of a commit range).
Since the OP want to see the changes introduced by k73ud, he/she needs to di...
Xcode 4 - build output directory
I have problems with setting up/locating my output files in Xcode4 (beta 5). They are placed somewhere in ~/Library/Developer/ugly_path/... . I can't even select "show in finder" on my products. It is the same for a simple C project, Foundation tool and even Cocoa bundle. A Debugging works fine.
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iPhone Navigation Bar Title text color
...ontroller's root view is loaded.
[self.navigationController.navigationBar setTitleTextAttributes:
@{NSForegroundColorAttributeName:[UIColor yellowColor]}];
However, this doesn't seem have an effect in subsequent views.
Classic approach
The old way, per view controller (these constants are fo...
C++ display stack trace on exception
I want to have a way to report the stack trace to the user if an exception is thrown. What is the best way to do this? Does it take huge amounts of extra code?
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final keyword in method parameters [duplicate]
I often encounter methods which look like the following:
10 Answers
10
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How to reshape data from long to wide format
... the terms for melt/cast.
Edit: Now, in 2019, tidyr v 1.0 has launched and set spread and gather on a deprecation path, preferring instead pivot_wider and pivot_longer, which you can find described in this answer. Read on if you want a brief glimpse into the brief life of spread/gather.
library(tidy...
Check empty string in Swift?
In Objective C, one could do the following to check for strings:
14 Answers
14
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Execute a terminal command from a Cocoa app
... There's a small glitch in your answer. NSPipe has a buffer (set at the OS level), which is flushed when it's read. If the buffer fills up, NSTask will hang, and your app will hang too, indefinitely. No error message will appear. This can happen if the NSTask returns a lot of info. The...
What is the default access modifier in Java? [duplicate]
What is the default access modifier for a method or an instance variable if I do not state it explicitly?
13 Answers
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