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Rails: Get Client IP address
...ackable" option includes a column for current/last_sign_in_ip in the users table.
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What's your most controversial programming opinion?
...ng memory leaks in C / C++ cannot fully appreciate what Java brings to the table.
Also the natural progression should be from "how can I do this" to "how can I find the library which does that" and not the other way round.
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How can one print a size_t variable portably using the printf family?
...o print it using printf() . What format specifier do I use to print it portably?
12 Answers
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Direct vs. Delegated - jQuery .on()
... if attaching many event handlers (for example, each row of a table), it is often better performance wise to use single delegated handler to container instead of attaching many direct handlers. You can see this from the basic fact that event handler count is by itself a profiling metric...
Is “else if” a single keyword?
... a single keyword if we go to the draft C++ standard section 2.12 Keywords table 4 lists both if and else separately and there is no else if keyword. We can find a more accessible list of C++ keywords by going to cppreferences section on keywords.
The grammar in section 6.4 also makes this clear:
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How to run Conda?
.../anaconda/bin:$PATH where appropriate
– Little Bobby Tables
Jul 18 '16 at 21:23
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When I type exp...
ASP.NET MS11-100: how can I change the limit on the maximum number of posted form values?
... by MS11-100 temporarily mitigates a potential DoS attack involving hash table collisions. It appears this fix breaks pages that contain a lot of POST data. In our case, on pages that have very large checkbox lists. Why would this be the case?
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Return multiple values in JavaScript?
...;
Or with ES6 syntax:
const {first, second} = getValues();
* See this table for browser compatibility. Basically, all modern browsers aside from IE support this syntax, but you can compile ES6 code down to IE-compatible JavaScript at build time with tools like Babel.
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How to find the JVM version from a program?
...any other system properties related to the current Java version. Here is a table of them:
Property Value (OpenJDK 12) Value (Oracle JRE 8u201) Value (Sun JRE 5u22) Description
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How can I change my default database in SQL Server without using MS SQL Server Management Studio?
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@MartinBrown be that as it may, I hadn't dropped any tables and I was still led to your question, but felt more comfortable with the GUI solution.
– djv
Jun 13 '14 at 17:40
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