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Error when testing on iOS simulator: Couldn't register with the bootstrap server

...unchd that belongs to your main user, e.g., sudo kill -9 `ps aux | egrep 'user_id .*[0-9] /sbin/launchd' | awk '{print $2}'` substituting your main user name for user_id. Logging in again as your normal user gets you back to a sane state. Kinda painful, but less so than a full reboot. details: ...
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How do you delete an ActiveRecord object?

...g Rails 5 and above, the following solution will work. #delete based on id user_id = 50 User.find(id: user_id).delete_all #delete based on condition threshold_age = 20 User.where(age: threshold_age).delete_all https://www.rubydoc.info/docs/rails/ActiveRecord%2FNullRelation:delete_all ...
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“Insert if not exists” statement in SQLite

...sert into bookmarks (users_id, lessoninfo_id) select 1, 167 EXCEPT select user_id, lessoninfo_id from bookmarks where user_id=1 and lessoninfo_id=167; This is the fastest way. For some other SQL engines, you can use a Dummy table containing 1 record. e.g: select 1, 167 from ONE_RECORD_DUMMY_TAB...
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How do you convert a byte array to a hexadecimal string, and vice versa?

...ecome a decimal digit is >= 0 for values b > 10, which will become a letter from A to F. Using i >> 31 on a signed 32 bit integer extracts the sign, thanks to sign extension. It will be -1 for i < 0 and 0 for i >= 0. Combining 2) and 3), shows that (b-10)>>31 will be 0 for le...
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MySQL Creating tables with Foreign Keys giving errno: 150

...AR(40)); CREATE TABLE userroles( id INT AUTO_INCREMENT PRIMARY KEY, user_id INT NOT NULL, FOREIGN KEY(user_id) REFERENCES users(id)); share | improve this answer |
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Twitter API returns error 215, Bad Authentication Data

...n 1. $friendsJson = $connection->get('/friends/ids.json?cursor=-1&user_id=34342323'); This will return you list of user's friends. share | improve this answer | ...
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ViewParam vs @ManagedProperty(value = “#{param.id}”)

... command components. Example: <f:metadata> <f:viewParam id="user_id" name="id" value="#{bean.user}" required="true" requiredMessage="Invalid page access. Please use a link from within the system." converter="userConverter" converterMessage="Unknown user ID." /> ...
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Has Facebook sharer.php changed to no longer accept detailed parameters?

...to false for non-canvas apps ); $facebook = new Facebook($config); $user_id = $facebook->getUser(); ?> <html> <head></head> <body> <?php if($user_id) { // We have a user ID, so probably a logged in user. // If not, we'll get an exceptio...
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How to validate an OAuth 2.0 access token for a resource server?

...3Zg Respond: { "audience":"8819981768.apps.googleusercontent.com", "user_id":"123456789", "scope":"https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/userinfo.email", "expires_in":436 } Microsoft way Microsoft - Oauth2 check an authorization Github way ...
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How do I execute a program from Python? os.system fails due to spaces in path

... If the first letter after a backslash has special meaning (i.e. \t, \n, etc.) then that particular backslash must be doubled. Being a Windows path has nothing to do with it. – Ethan Furman Nov 12 '1...