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How can I print a circular structure in a JSON-like format?
...= {};
circ.circ = circ;
// Note: cache should not be re-used by repeated calls to JSON.stringify.
var cache = [];
JSON.stringify(circ, (key, value) => {
if (typeof value === 'object' && value !== null) {
// Duplicate reference found, discard key
if (cache.includes(value)) retur...
Does Typescript support the ?. operator? (And, what's it called?)
...
Update: it is supported as of TypeScript 3.7 and called Optional chaining: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#optional-chaining
I can't find any reference to it whatsoever in the TypeScript language specification.
As far as what ...
Changing Ctrl + Tab behavior for moving between documents in Visual Studio
...n Visual Studio 2015 (as well as previous versions of VS, but you must install Productivity Power Tools if you're using VS2013 or below), there are two new commands in Visual Studio:
Window.NextTab and
Window.PreviousTab
Just go remap them from Ctrl+Alt+PageUp/Ctrl+Alt+PageDown to Ctrl+Tab/Ctrl+...
Convert to/from DateTime and Time in Ruby
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Unfortunately this only really works when dealing with local times. If you start with a DateTime or Time with a different timezone, the parse function will convert into local timezone. You basically lose the original timezone.
– ...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...or not, and you can reorder lines without fiddling about with commas. Basically it means there's a uniformity in how you treat the lines.
Now think about generating code. Something like (pseudo-code):
output("int a[] = {");
for (int i = 0; i < items.length; i++) {
output("%s, ", items[i]);
...
What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
I really want to know more about the update, export and the values that could be given to hibernate.hbm2ddl.auto
I need to know when to use the update and when not? And what is the alternative?
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SQL Server - stop or break execution of a SQL script
... database connection.
If you are NOT logged in as admin, the RAISEERROR() call itself will fail and the script will continue executing.
When invoked with sqlcmd.exe, exit code 2745 will be reported.
Reference: http://www.mydatabasesupport.com/forums/ms-sqlserver/174037-sql-server-2000-abort-whole-...
jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
... the uncompressed file downloaded as well.
Having the map file in place allows you do debug your minified jQuery via the original sources, which will save a lot of time and frustration if you don't like dealing with variable names like a and c.
More about sourcemaps here: An Introduction to Jav...
Hidden Features of C++? [closed]
...refore, with http://stackoverflow.com, http is a label (you could theoretically write goto http;), and //stackoverflow.com is just an end-of-line comment. Both of these are legal C++, so the construct compiles. It doesn't do anything vaguely useful, of course.
– David Thornle...
How can I disable logging while running unit tests in Python Django?
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logging.disable(logging.CRITICAL)
will disable all logging calls with levels less severe than or equal to CRITICAL. Logging can be re-enabled with
logging.disable(logging.NOTSET)
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