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capturing self strongly in this block is likely to lead to a retain cycle
...
__weak MyClass *self_ = self; // that's enough
self.loadingDidFinishHandler = ^(NSArray *receivedItems, NSError *error){
if (!error) {
[self_ showAlertWithError:error];
} else {
self_.items = [NSArray arrayWithArray:receivedItems];
[self_.tableView reloadData];
...
Change the current directory from a Bash script
...d /proc
}
The reason is that each process has its own current directory, and when you execute a program from the shell it is run in a new process. The standard "cd", "pushd" and "popd" are builtin to the shell interpreter so that they affect the shell process.
By making your program a shell funct...
difference between offsetHeight and clientHeight
In the javascript dom - what is the difference between offsetHeight and clientHeight of an element?
2 Answers
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...r a[] , it specifies the initial values
of the characters in that array (and,
if necessary, its size).
Anywhere else, it turns into an unnamed, static array of characters,
and this unnamed array may be stored
in read-only memory, and which
therefore cannot necessarily be
modified. In a...
Git: How to reuse/retain commit messages after 'git reset'?
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When running "git commit" command, you've to check the following options,
To reuse,
--reuse-message=<commit>
To edit on reuse,
--reedit-message=<commit>
To change the author,
--reset-author
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How to re-open an issue in github?
...I change it to open again ?
I read somewhere that I need rights for push and pull operation. Is that true ?
2 Answers
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How to add extra namespaces to Razor pages instead of @using declaration?
... namespaces for views) Not Found
This has changed between MVC 3 Preview 1 and MVC 3 Beta (released just today). In Preview 1 Razor used the WebForms namespaces config section. However in the Beta there is a new config section that is seperate from the WebForms one. You will need to add the follwing...
Generating a list of which files changed between hg versions
...
hg status --rev x:y
where x and y are desired revision numbers (or tag or branch names).
If you are using the terminal in windows add hg status --rev x:y> your-file.txt to save the list to a file.
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JavaScript: filter() for Objects
...filter() prototype for Array types, but not Object types, if I understand correctly.
15 Answers
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Read a zipped file as a pandas DataFrame
I'm trying to unzip a csv file and pass it into pandas so I can work on the file.
The code I have tried so far is:
5 Ans...