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Laravel migration: unique key is too long, even if specified
...e that VARCHAR may have 1, 2 or 4 bytes for each length unit. Example: utf8_mb4 (4 bytes) -> 767 / 4 = 191. Otherwise utf8_general_ci for VARCHAR(X) with X < 85 ( 1 byte ) = O(85) , or utf8_general_ci for VARCHAR(X) with X >= 86 ( 2 bytes ) -> 767 / 2 = 383. Consider also other columns l...
How to create fixed space and flexible space bar button items programmatically?
..."Today" style:UIBarButtonItemStylePlain target:self action:@selector(update_baritem:)];
todayItem.tag = 2;
UIBarButtonItem *cashItem = [[UIBarButtonItem alloc] initWithTitle:@"Cash" style:UIBarButtonItemStylePlain target:self action:@selector(update_baritem:)];
cashItem.tag = 3;
UIBarButtonItem *c...
Safely override C++ virtual functions
...e keyword:
class child : public parent {
public:
// force handle_event to override a existing function in parent
// error out if the function with the correct signature does not exist
void handle_event(int something) override;
};
...
Javascript heredoc
... answered Jan 19 '13 at 16:19
Zv_oDDZv_oDD
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How get integer value from a enum in Rails?
...t the integer values for an enum from the class the enum is on:
Model.sale_infos # Pluralized version of the enum attribute name
That returns a hash like:
{ "plan_1" => 1, "plan_2" => 2 ... }
You can then use the sale_info value from an instance of the Model class to access the integer v...
Symbolic links and synced folders in Vagrant
...ve it by adding particular rsync args to my vagrantfile:
config.vm.synced_folder ".", "/var/www", type: "rsync", rsync__args: ["--verbose", "--archive", "--delete", "-z"]
I also opened this issue on vagrant's github to point out something that appears to be wrong with their default value for r...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...lt;module>
TypeError: unsupported operand type(s) for >>: 'builtin_function_or_method' and '_io.TextIOWrapper'. Did you mean "print(<message>, file=<output_stream>)"?
Since this error is raised when the code runs, rather than when it is compiled, it doesn't have access to the ...
Convert a Git folder to a submodule retrospectively?
...se filter-branch on a clone of the original repository:
git clone <your_project> <your_submodule>
cd <your_submodule>
git filter-branch --subdirectory-filter 'path/to/your/submodule' --prune-empty -- --all
It's then nothing more than deleting your original directory and adding t...
How can I add additional PHP versions to MAMP
... for me this meant adding an "X" to my /Applications/MAMP/bin/php/php5.4.10_X folder. Now 5.2.17 and 5.3.20 show up in the mamp prefs.
Done!
Edit - if the PHP version you require isn't in the PHP folder, you can download the version you require from http://www.mamp.info/en/downloads/
Edit - MAMP ...
How to shut down the computer from C#
...vice usually doesnt have the permissions for it.
– AK_
Apr 11 '13 at 21:20
The power consumption state of the machine ...