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Pragma in define macro
... from C99's _Pragma() operator (C99's takes a string literal, MSVC's takes tokens that aren't in a string): msdn.microsoft.com/en-us/library/d9x1s805.aspx
– Michael Burr
Jun 13 '10 at 16:00
...
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...
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...
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>
...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...r is logged out, you can have a
// user ID even though the access token is invalid.
// In this case, we'll get an exception, so we'll
// just ask the user to login again here.
$login_url = $facebook->getLoginUrl( array(
'scope' => 'publis...
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...
How to configure 'git log' to show 'commit date'
...%cr)%Creset %C(green)%ce%Creset %s\" bash: syntax error near unexpected token `('
– frakman1
Mar 31 '16 at 0:22
...
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...