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Difference between single quotes and double quotes in Javascript [duplicate]

..."It's alright"; // single quote inside double quotes var answer = "He is called 'Johnny'"; // single quotes inside double quotes var answer = 'He is called "Johnny"'; // double quotes inside single quotes – broadband Mar 5 '15 at 11:26 ...
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Shortcut to comment out a block of code with sublime text

...answered Jul 12 '12 at 1:29 Randall MaRandall Ma 9,52677 gold badges3434 silver badges4444 bronze badges ...
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How to convert current date into string in java?

... and the answer right below for the timestring. C: – php_coder_3809625 Jul 13 '16 at 13:54 @Ian Purton Is string date ...
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MySQL pagination without double-querying?

... help a lot. The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on lar...
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How to concatenate columns in a Postgres SELECT?

...catenated to NULL is NULL. If NULL values can be involved and the result shall not be NULL, use concat_ws() to concatenate any number of values (Postgres 9.1 or later): SELECT concat_ws(', ', a, b) AS ab FROM foo; Or concat() if you don't need separators: SELECT concat(a, b) AS ab FROM foo; No...
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Is GET data also encrypted in HTTPS?

...me in plaintext via the SNI extension (thanks @hafichuk), which is used by all modern mainstream browsers, though some only on newer OSes. EDIT: (Since this just got me a "Good Answer" badge, I guess I should answer the entire question…) The entire response is also encrypted; proxies cannot inte...
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How to make a DIV not wrap?

...d maintain block characteristics.*/ vertical-align: top; /*Makes sure all the divs are correctly aligned.*/ white-space: normal; /*Prevents child elements from inheriting nowrap.*/ width: 100px; height: 100px; background-color: red; margin: 5px; } <div class=...
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Does MySQL foreign_key_checks affect the entire database?

... This means it can be set for session: SET FOREIGN_KEY_CHECKS=0; or globally: SET GLOBAL FOREIGN_KEY_CHECKS=0; share | improve this answer | follow | ...
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What does @@variable mean in Ruby?

...the classes; setting the value in an instance of one changes the value for all other instances of that class and even child classes, where a variable named @shared, with one @, would not be. [Update] As Phrogz mentions in the comments, it's a common idiom in Ruby to track class-level data with an ...
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NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream

...eam, client:xxxxxxxxxxxxxxxxxxxxxxxxx", upstream: "fastcgi://unix:/var/run/php/php5.6-fpm.sock", host: "xxxxxxxxxxxxxxx", referrer: "xxxxxxxxxxxxxxxxxxxx" So i have to adjust the fastcgi_read_timeout in my server configuration location ~ \.php$ { fastcgi_read_timeout 240; ... } See:...