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How to escape os.system() calls?
...e desirable.It's interesting how their implementations are quite different from each other, and also much more complicated than Greg Hewgill's answer.
– Laurence Gonsalves
Oct 4 '10 at 16:47
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How do I detect unsigned integer multiply overflow?
...tegers mod 2^32 (or 2^64). The distinction between overflow as a deviation from mathematical infinite-sized integer behaviour, and overflow as an undefined behaviour in the language seems rarely to be made explicit.
– Chris Johnson
Oct 3 '09 at 18:47
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Detect if called through require or directly by command line
...My solution was to generate a stack trace and get the caller's module name from there:
module.exports = function () {
// generate a stack trace
const stack = (new Error()).stack;
// the third line refers to our caller
const stackLine = stack.split("\n")[2];
// extract the module ...
Rails: Adding an index after adding column
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@tomb I used the example from the original question. :table is the actual table name, so in the case of a users table, you'd substitute :users for :table.
– Jaap Haagmans
Sep 13 '18 at 9:24
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Triggering HTML5 Form Validation
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I'm not sure it's worth it for me to type this all up from scratch since this article published in A List Apart does a pretty good job explaining it. MDN also has a handy guide for HTML5 forms and validation (covering the API and also the related CSS).
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How do I resize a Google Map with JavaScript after it has loaded?
...google.maps.event.trigger(map, "resize"); doesn't have any effect starting from version 3.32
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How to break out of multiple loops?
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Got this from a Raymond Hettinger video, youtu.be/OSGv2VnC0go?t=971, read "else" statements attached to for loops as "no_break", then it becomes easier to understand.
– Ambareesh
Oct 29 '19 at 4:...
Android - Dynamically Add Views into View
...lly generated layout in your main view. that's the bit you have to fill in from your own code.
– Mark Fisher
Aug 20 '15 at 10:02
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
...g mock object, MOQ actually creates an in-memory proxy type which inherits from your "XmlCupboardAccess" and overrides the behaviors that you have set up in the "SetUp" method. And as you know in C#, you can override something only if it is marked as virtual which isn't the case with Java. Java assu...
Is it possible to have a multi-line comments in R? [duplicate]
I found this old thread (from over a year ago), which explains how come R doesn't support a multi-line comments (like /* comment */ of PHP, for example).
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