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How to split a string literal across multiple lines in C / Objective-C?
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I am having this problem all the time, so I made a tiny tool to convert text to an escaped multi-line Objective-C string:
http://multilineobjc.herokuapp.com/
Hope this saves you some time.
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Switch statement for string matching in JavaScript
...h");
break;
}
Another approach is to use the String() constructor to convert the resulting array that must have only 1 element (no capturing groups) and whole string must be captured with quanitifiers (.*) to a string. In case of a failure the null object will become a "null" string. Not conve...
How to use GROUP_CONCAT in a CONCAT in MySQL
...SEPARATOR ',') AS result
FROM test GROUP BY id
you must use cast or convert, otherwise will be return BLOB
result is
id Column
1 A:4,A:5,B:8
2 C:9
you have to handle result once again by program such as python or java
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Laravel Migration Change to Make a Column Nullable
...`user_id` INTEGER UNSIGNED NOT NULL;');
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One note is that since you are converting between nullable and not nullable, you'll need to make sure you clean up data before/after your migration. So do that in your migration script both ways:
function up()
{
DB::statement('ALTER TABLE `throttle` M...
How do I join two lists in Java?
...o not modifiy the original lists; JDK only, no external libraries. Bonus points for a one-liner or a JDK 1.3 version.
32 An...
When should a class be Comparable and/or Comparator?
... another object. The class itself must implements the java.lang.Comparable interface in order to be able to compare its instances.
Comparator
A comparator object is capable of comparing two different objects. The class is not comparing its instances, but some other class’s instances. This compar...
How can I solve a connection pool problem between ASP.NET and SQL Server?
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If your function returns SqlDataReader you are better off converting it to DataTable than raising the max pool size
– live-love
Dec 8 '14 at 20:12
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What is the default access specifier in Java?
...ssible from inside the same package to which the class belongs.
As mdma pointed out, it isn't true for interface members though, for which the default is "public".
See Java's Access Specifiers
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Why are mutable structs “evil”?
...bjects tend to have multiple properties; yet if you have a struct with two ints, a string, a DateTime and a bool, you can very quickly burn through a lot of memory. With a class, multiple callers can share a reference to the same instance (references are small).
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Using “super” in C++
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After I few months, I was converted to your viewpoint (and I DID had a bug because of a forgotten "super", like you mentionned...). You are quite right in your answer, including the chaining, I guess. ^_^ ...
– paercebal
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