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Can JSON start with “[”?
From what I can read on json.org , all JSON strings should start with { (curly brace), and [ characters (square brackets) represent an array element in JSON.
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How can bcrypt have built-in salts?
...'t intended to prevent that attack. It's meant to prevent an attacker with read-only access to the password table from authenticating. For example, you get a backup tape with the table on it.
– erickson
Aug 6 '14 at 22:38
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List of all index & index columns in SQL Server DB
...+ (see below for 2000)
-- includes schemas and primary keys, in easy to read format
-- with unique, clustered, and all ascending/descendings in a single column
-- Needs simple manual add or delete to change maximum number of key columns
-- but is easy to understand and modify, with no UDFs or...
what is the difference between a portlet and a servlet?
...r the particulars (similarities/differences) between them, please continue reading. Here are some similarities: Servlets and portlets are web based components that utilize Java for their implementation Portlets are managed by a portlet container similar to a servlet container Both of these component...
How can I add a PHP page to WordPress?
...stom page. Would a plugin not be better for these two reasons? The way I read the question, the OP wishes to add additional functionality, not additional theme elements "use of 3rd party APIs"
– Philip Couling
Dec 5 '18 at 12:06
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Boolean operators && and ||
...both false). The same goes for || when the first operand is true.
You can read more about this here: http://en.wikipedia.org/wiki/Short-circuit_evaluation From the table on that page you can see that && is equivalent to AndAlso in VB.NET, which I assume you are referring to.
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What's the difference between an id and a class?
... elements are things like highlight or external-link.
It's a good idea to read up on the cascade and understand the precedence assigned to various selectors: http://www.w3.org/TR/CSS2/cascade.html
The most basic precedence you should understand, however, is that id selectors take precedence over c...
JavaScript and Threads
Is there some way to do multi-threading in JavaScript?
13 Answers
13
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Correct way to use StringBuilder in SQL
...n the majority of cases, it will have to do a reallocation. It's easier to read, though. Note that this is not true of a series of concatenations. So for instance, this uses one StringBuilder:
return "prefix " + variable1 + " middle " + variable2 + " end";
It roughly translates to:
StringBuilder...
Why are we not to throw these exceptions?
...own without you having to test for it in the first place? And if you've already tested for it, then it's not really an exception?
– PugFugly
Mar 17 '14 at 12:08
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