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redirect COPY of stdout to log file from within bash script itself
....sh, you will get an error along the lines of syntax error near unexpected token '>'.
If you are working with signal traps, you might want to use the tee -i option to avoid disruption of the output if a signal occurs. (Thanks to JamesThomasMoon1979 for the comment.)
Tools that change their o...
Test for existence of nested JavaScript object key
...his will allow you to safely access deeply nested properties, by using the token ?., the new optional chaining operator:
const value = obj?.level1?.level2?.level3
If any of the levels accessed is null or undefined the expression will resolve to undefined by itself.
The proposal also allows you ...
How do I call Objective-C code from Swift?
...tions: [NSObject: AnyObject]?) -> Bool {
Mixpanel.sharedInstanceWithToken("your-token")
return true
}
That's it!
Note: If you remove the bridging header file from your project, be sure to go into Build Settings and remove the value for "Objective-C Bridging Header" under "Swift Compile...
GNU Makefile rule generating a few targets from a single source file
...es multiple targets with a single invocation. To use this, replace the ":" token with "&:" in the rule. To detect this feature search for 'grouped-target' in the .FEATURES special variable. Implementation contributed by Kaz Kylheku <kaz@kylheku.com>
...
ACE vs Boost vs POCO [closed]
...m_options, regex, bind, serialization, foreach, property_tree, filesystem, tokenizer, various iterator extensions, alogrithm, and mem_fn. These are mostly low-level functionality that really ought to be in the compiler. Some boost libraries are very generic; it can be work to get them to do what y...
Class with single method — best approach?
... what delimiters to use/accept, whether to trim whitespace from the parsed tokens, whether to bracket the list, how to treat a blank/ null list.. etc.
– Thomas W
Apr 28 '13 at 1:51
...
Database Design for Revisions?
...ast seven columns:
Timestamp of the change,
User that made the change,
A token to identify the record that was changed (where the history is maintained separately from the current state),
Whether the change was an insert, update, or delete,
The old value,
The new value,
The delta (for changes to n...
Custom CSS Scrollbar for Firefox
... is now limited customization available in Firefox!
See these answers:
https://stackoverflow.com/a/54101063/405015
https://stackoverflow.com/a/53739309/405015
And this for background info: https://bugzilla.mozilla.org/show_bug.cgi?id=1460109
There's no Firefox equivalent to ::-webkit-scrollbar an...
Razor-based view doesn't see referenced assemblies
...oup, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requireP...
What's a redirect URI? how does it apply to iOS app for OAuth2.0?
...redirected after successfully login to your app. for example to get access token for your app in facebook you need to subimt redirected uri which is nothing only the app Domain that your provide when you create your facebook app.
...