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How do you add an action to a button programmatically in xcode
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try this:
first write this in your .h file of viewcontroller
UIButton *btn;
Now write this in your .m file of viewcontrollers viewDidLoad.
btn=[[UIButton alloc]initWithFrame:CGRectMake(50, 20, 30, 30)];
[btn setBackgroundColor:[UIColor orangeColor]];
//adding...
How do Mockito matchers work?
...exception (or require non-zero or non-null values).
doReturn and doAnswer (etc) do not invoke the actual method and are often a useful alternative.
If you had called a mock method in the middle of stubbing (e.g. to calculate an answer for an eq matcher), Mockito would check the stack length against...
How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
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-bash: /usr/local/bin/npm: No such file or directory what can I do now?
– ValRob
May 7 '18 at 18:03
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How can I use Bash syntax in Makefile targets?
...sh syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) .
6 Answers
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Vim: Delete buffer without losing the split window
...current window (bn would work, too), then bd # ("buffer delete" "alternate file") deletes the buffer we just moved away from. See: help bp, help bd, help alternate-file.
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Inserting multiple rows in mysql
...ith you but I don't know her data source. As I already wrote, if she has a file, I would use load data syntax as cularis suggests. :)
– Nicola Cossu
Jul 31 '11 at 11:54
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Creating a new directory in C
...; if that directory does not exist then it creates the directory and a log file inside of it, but if the directory already exists, then it just creates a new log file in that folder.
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How do you install Boost on MacOS?
... choose in Step 3, you might need to sudo Step 5, if the script tries copy files to a protected location.
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Program only crashes as release build — how to debug?
... And don't forget that you can have the compiler generate PDB files even for release builds, though it's not the default.
– Michael Burr
Oct 9 '08 at 14:46
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How to convert timestamps to dates in Bash?
...se: freddy@hades ~ % date --help | grep -- -r -r, --reference=FILE display the last modification time of FILE
– frank42
Sep 19 '17 at 16:02
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