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Error-Handling in Swift-Language
...or is not throwing at all.
2. Invoking function that may throw errors
In order to invoke function you need to use try keyword, like this
try summonDefaultDragon()
this line should normally be present do-catch block like this
do {
let dragon = try summonDefaultDragon()
} catch DragonError....
Command to change the default home directory of a user
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The order of options for the second command is wrong. usermod -m -d /newhome/username username works.
– Snozzlebert
Oct 21 '19 at 17:50
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How to create a multi-tenant database with shared table structures?
...able to estimate
prospective use with authority, but
think in terms of orders of magnitude:
are you building an application for
hundreds of tenants? Thousands? Tens
of thousands? More? The larger you
expect your tenant base to be, the
more likely you will want to consider
a more shar...
jQuery table sort
...will sort lists, tables, divs or anything else, in ascending or descending order. I have also used it to sort by different data-types like currency or year - just provide your own function that returns the data to sort by. (I like to keep those functions separate, and give them meaningful names, to ...
What is the difference between Θ(n) and O(n)?
...ions aren't necessarily specific numbers, but instead functions of varying orders of magnitude such as log(n), n, n^2, (etc.).
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How do you use version control with Access development?
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To summarize various comments below:
Our Project assumes an .adp-file. In order to get this work with .mdb/.accdb, you have to change OpenAccessProject() to OpenCurrentDatabase(). (Updated to use OpenAccessProject() if it sees a .adp extension, else use OpenCurrentDatabase().)
decompose.vbs:
' ...
How to set iPhone UIView z index?
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UIView siblings are stacked in the order in which they are added to their superview. The UIView hierarchy methods and properties are there to manage view order. In UIView.h:
@property(nonatomic,readonly) UIView *superview;
@property(nonatomic,readonly,copy) N...
What is Inversion of Control?
...rol is inverted... instead of the computer accepting user input in a fixed order, the user controls the order in which the data is entered, and when the data is saved in the database.
Basically, anything with an event loop, callbacks, or execute triggers falls into this category.
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How does java do modulus calculations with negative numbers?
...eneral, int result = (-a) % b; gives the right answer when |-a| > b. In order to get the proper result when |-a| < b we should wrap the divisor. int result = ((-a) % b) + b; for negative a or int result = (((-a) % b) + b) % b; for positive or negative a
– Oz Edri
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Where is my .vimrc file?
...mrc
or $VIM/.vimrc
The files are searched in the order specified above and only the first
one that is found is read.
(MacOS counts as Unix for the above.)
Note that the mere existence of a user vimrc will change Vim's behavior by turning off the compatible option. From...