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How to convert a string into double and vice versa?
...FromString:] to get an NSNumber from it. If you want to handle conversion errors, you can use -[NSFormatter getObjectValue:forString:range:error:] instead.
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
... strings from entering the RDBMS and causing buffer overruns or exceptions/errors later when retrieving and parsing values from the database that are longer (more bytes) than expected.
For example, if you have a field that accepts two-character strings for country abbreviations then you have no con...
'pip' is not recognized as an internal or external command
I'm running into a weird error when trying to install Django on my computer.
32 Answers
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RegEx match open tags except XHTML self-contained tags
... ~10k pages, all with the same HTML template. They were littered with HTML errors that caused parsers to choke, and all their styling was inline or with <font> etc.: no classes or IDs to help navigate the DOM. After fighting all day with the "right" approach, I finally switched to a regex solu...
What breaking changes are introduced in C++11?
...ain() { auto int i = 0; return i; } is perfectly valid C++03, but a syntax error in C++11. The only warning I can get compilers to give for it in C++03 mode is a warning about compatibility.
– user743382
Sep 14 '14 at 10:37
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Stop all active ajax requests in jQuery
...em, when submitting a form all active ajax request fail, and that triggers error event.
16 Answers
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How to specify the location with wget?
...) adding a trailing slash to "directory prefix" would cause a double slash error (i.e., my/favorite/dir/prefix//) furthermore, considering the semantics, "directory prefix" would not require a trailing slash.
– Timothy L.J. Stewart
Apr 7 '17 at 21:14
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Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.
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This error can be thrown when you import a different library for @Id than Javax.persistance.Id ; You might need to pay attention this case too
In my case I had
import javax.persistence.Entity;
import javax.persistence.Generated...
Node.js Mongoose.js string to ObjectId function
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Does this throw an error if it's an invalid string? Looking for the best way to do input validation in a REST API for mongo id fields.
– Zambonilli
Jul 21 '14 at 18:42
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External resource not being loaded by AngularJs
... problem using Videogular. I was getting the following when using ng-src:
Error: [$interpolate:interr] Can't interpolate: {{url}}
Error: [$sce:insecurl] Blocked loading resource from url not allowed by $sceDelegate policy
I fixed the problem by writing a basic directive:
angular.module('app').di...