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iPhone system font
...ailable font names like this:
print(UIFont.familyNames())
Or an even more detailed list like this:
for familyName in UIFont.familyNames() {
print(UIFont.fontNamesForFamilyName(familyName))
}
But the system font changes from version to version of iOS. So it would be better to get the system fon...
ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
...uggling with the exact same issue (symptoms) and cursing the lack of error detail reporting.
It worked fine on IIS 8+ machines but Win 7 got these INSTANT HTTP 500.19 errors.
For me it was as silly as having an unsupported configuration element in the config file:
<applicationInitialization do...
spring boot default H2 jdbc connection (and H2 console)
...sole.enabled to true
Check out this part of the documentation for all the details.
Note that when configuring in this way the console is accessible at: http://localhost:8080/h2-console/
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Calling startActivity() from outside of an Activity context
...ou add. The FLAG_ACTIVITY_NEW_TASK can be used in this situation. For more details read: developer.android.com/reference/android/content/…
– Bruno Bieri
Mar 4 '18 at 7:17
ad...
Ignoring time zones altogether in Rails and PostgreSQL
...
Minor detail, but I think timestamps are stored internally as the number of microseconds since 2000-01-01 - see date/time datatype section of the manual. My own inspections of the source seem to confirm it. Strange to use a differe...
JavaScript: Class.method vs. Class.prototype.method
...nstance method.
Consider the following examples, to understand it in more detail.
In ES5
function Person(firstName, lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
Person.isPerson = function(obj) {
return obj.constructor === Person;
}
Person.prototype.sayHi = funct...
Approximate cost to access various caches and main memory?
... some timings & cycles for example).
Additionally, this page has some details on clock cycles etc. The second link served the following numbers:
Core i7 Xeon 5500 Series Data Source Latency (approximate) [Pg. 22]
local L1 CACHE hit, ~4 cycles ( ...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...our local changes to the following files would be overwritten by checkout. Details here
– Eugen Konkov
Jun 2 '18 at 11:20
4
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Showing all errors and warnings [duplicate]
...;
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
For more details:
Displaying PHP errors
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What would cause an algorithm to have O(log log n) complexity?
...(logn /log log n).
update weights, this part can be done in O(n).
for more details this lecture notes are good.
But my point is, here we choose the division to be of size O(log n/(log log n)). If we choose other divisions like O(log n/ (log log n)^2) which may runs faster and brings another resul...