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Drawing a connecting line between two elements [closed]

... line1 = $('#line1'); div1 = $('#div1'); div2 = $('#div2'); I used selectors to select the two divs and line... var pos1 = div1.position(); var pos2 = div2.position(); jQuery position() method allows us to obtain the current position of an element. For more information, visit https://api....
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Changing the resolution of a VNC session in linux [closed]

... a solution using TigerVNC which is the default these days. xrandr allows selecting the display modes (a.k.a resolutions) however due to modelines being hard coded any additional modeline such as "2560x1600" or "1600x900" would need to be added into the code. I think the developers who wrote the co...
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How can I enable zoom in on UIWebView which inside the UIScrollView?

...l). On the Web View, in the Attributes Inspector: In the Web View section, select Scales Pages To Fit In the View section, select for Mode, "Top Left" In the View section at the bottom, check off User Interaction Enabled, and Multiple Touch Enabled ...
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Difference between binary semaphore and mutex

...perspective, mutex are more like state-pattern where the algorithm that is selected by the state can change the state. The binary-semaphore are more like strategy pattern where the external algorithm can change the state and eventually the algorithm/strategy selected to run. – ...
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Is it a good idea to index datetime field in mysql?

...ne table with 4 million records. Most of my queries use datetime clause to select data. Is it a good idea to index datetime fields in mysql database? ...
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Format number to 2 decimal places

... Show as decimal Select ifnull(format(100.00, 1, 'en_US'), 0) 100.0 Show as Percentage Select concat(ifnull(format(100.00, 0, 'en_US'), 0), '%') 100% share ...
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“User interaction is not allowed” trying to sign an OSX app using codesign

...ish agrawal! Login your build user via the GUI and open Keychain Access. Select your signing private key, right-click, choose Get Info, change to the Access Control tab and select the "Allow all applications to access this item". ...
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Is there a way to make a link clickable in the OSX Terminal?

... I had always been selecting the URL first (dragging the cursor from the start to end of the URL), then right clicking. I learned today, while reading through these answers, that it was not necessary to select the URL; simply right clicking on ...
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Django - limiting query results

...) In [23]: User.objects.all().order_by('-id')[:10] (0.000) SELECT "auth_user"."id", "auth_user"."username", "auth_user"."first_name", "auth_user"."last_name", "auth_user"."email", "auth_user"."password", "auth_user"."is_staff", "auth_user"."is_active", "auth_user"."is_superuser", "au...
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How can I use grep to show just filenames on Linux?

...andard: -l (The letter ell.) Write only the names of files containing selected lines to standard output. Pathnames are written once per file searched. If the standard input is searched, a pathname of (standard input) will be written, in the POSIX locale. In other locales, standard i...