大约有 16,000 项符合查询结果（耗时：0.0242秒） [XML]
PHP function to make slug (URL string)
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iconv will not convert correctly if $text contains characters that don't have ascii equivalent. For example iconv('utf-8', 'us-ascii//TRANSLIT', "EFI收购Cretaprint") will return "EFI" and leak a warning.
– Kendall Ho...
String is immutable. What exactly is the meaning? [duplicate]
...e proceeding further with the fuss of immutability, let's just take a look into the String class and its functionality a little before coming to any conclusion.
This is how String works:
String str = "knowledge";
This, as usual, creates a string containing "knowledge" and assigns it a reference ...
Configure Log4net to write to multiple files
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LogManager.GetLogger("SomeName"); get an error cannot convert from string to System.Type. What is missing?
– Benk
May 22 '19 at 19:40
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Explain the encapsulated anonymous function syntax
...to observe, because most ways of attempting to get the returned value will convert the function declaration to a function expression. However, eval shows it:
var r = eval("function f(){}");
console.log(r); // undefined
Calling an empty completion record makes no sense. That's why functi...
POST JSON to API using Rails and HTTParty
.../json', 'Accept' => 'application/json'}. Note: the header should not be converted to JSON, it is expected to be an hash
– Devaroop
Sep 28 '13 at 6:45
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Returning value that was passed into a method
I have a method on an interface:
3 Answers
3
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PSQLException: current transaction is aborted, commands ignored until end of transaction block
...e statement to illustrate the Exception:
CREATE TABLE moobar
(
myval INT
);
Java program causes the error:
public void postgresql_insert()
{
try
{
connection.setAutoCommit(false); //start of transaction.
Statement statement = connection.createStatement();
...
PHP Difference between array() and []
...standard class and $obj = (object) ['foo'=>'bar', 'baz'=>'biz']; to convert an array (using explicit type casting) to an object (stdClass) but regarding the {}, it could be implemented in future but not sure tho :-)
– The Alpha
Jan 27 '16 at 17:39
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How to escape special characters in building a JSON string?
...ncoding library to use. If you simply use language or library functions to convert things to and from JSON, you'll never even need to know JSON's escaping rules. This is what the misguided question asker here ought to have done.
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
... x from your question. The buffer assigned to x will contain 16 ascending integers from 0 to 15. If you access one element, say x[i,j], NumPy has to figure out the memory location of this element relative to the beginning of the buffer. This is done by calculating in effect i*x.shape[1]+j (and mu...