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JavaScript by reference vs. by value [duplicate]
... I'm also interested in when assigning to another variable is by reference vs. by value and whether that follows any different rules than passing as a function parameter.
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decimal vs double! - Which one should I use and when? [duplicate]
...at all and its overall number of digits is smaller since it is 64-bit wide vs. 128-bit for decimal. Finally, financial applications often have to follow specific rounding modes (sometimes mandated by law). decimal supports these; double does not.
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Why does cURL return error “(23) Failed writing body”?
...erver ran out of disk space, in my case.
Check for it with df -k .
I was alerted to the lack of disk space when I tried piping through tac twice, as described in one of the other answers: https://stackoverflow.com/a/28879552/336694. It showed me the error message write error: No space left on devi...
How to Remove ReadOnly Attribute on File Using PowerShell?
... remove the ReadOnly attribute on a file, using a PowerShell (version 1.0) script?
6 Answers
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Why do you create a View in a database?
...eir own queries (through some interactive SQL program or writing their own scripts), they can run select * from customer which gives them access to everything. If you give them access to the view and not the table, they cannot access fields that aren't in the view.
– Graeme Per...
.aspx vs .ashx MAIN difference
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input type=“text” vs input type=“search” in HTML5
...rnal search applet, if they wanted.
On the other side, it helps current devs with css.
input[type=search]:after { content : url("magnifying-glass.gif"); }
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How to get ID of the last updated row in MySQL?
... and
mysql_insert_id() is that LAST_INSERT_ID() is made easy to use in
scripts while mysql_insert_id() tries to provide more exact
information about what happens to the AUTO_INCREMENT column.
PHP mysqli_insert_id()
Performing an INSERT or UPDATE statement using the LAST_INSERT_ID()
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difference between css height : 100% vs height : auto
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Postgres unique constraint vs index
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One more advantage of using UNIQUE INDEX vs. UNIQUE CONSTRAINT is that you can easily DROP/CREATE an index CONCURRENTLY, whereas with a constraint you can't.
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