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Android LinearLayout Gradient Background
...the colors and it did not work for me. Once I got the alpha channel set it all worked!
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How can I temporarily disable a foreign key constraint in MySQL?
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To turn off foreign key constraint globally, do the following:
SET GLOBAL FOREIGN_KEY_CHECKS=0;
and remember to set it back when you are done
SET GLOBAL FOREIGN_KEY_CHECKS=1;
WARNING: You should only do this when you are doing single user mode maintenance. ...
Will writeToFile:atomically: overwrite data?
...r saved in its entirety, or it
fails completely. The atomic write begins by writing the data to a
temporary file. If this write succeeds, then the method moves the
temporary file to its final location.
No one word about checking if file exist.
For example, for method copyItemAtPath:toPath:e...
PadLeft function in T-SQL
...tableA)), SPACE(1), '0') AS [padded_id] FROM tableA
this should theoretically move the goal posts... as the number gets bigger it should ALWAYS work.... regardless if its 1 or 123456789...
So if your max value is 123456... you would see 0000123456 and if your min value is 1 you would see 00000000...
[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...y<char> as a fix sized c-string.
array<char, 100> str = {0}; // all elements initialized with 0.
char *p = str.data();
strcpy(p, "hello world");
printf("%s\n", p); // hello world
END_TEST;
上面这个例子让我想起了std::string, 它有一个c_str()方法，...
How to get unique values in an array
...that was the kind if geeky javascript-nerd answer that should only be used by someone who understands what it means, and possibly not even then. What it is saying, is that writing if (~a.indexOf(b)) ... is identical to writing the longer if (a.indexOf(b) == -1) ....
– Orwellop...
Bulk Insertion in Laravel using eloquent ORM
... Worth noting that it doesn't touch Eloquent in fact. It just proxies the call to Query\Builder@insert() method. There's no way to efficiently insert multiple rows with Eloquent, nor does it offer any method for bulk inserts.
– Jarek Tkaczyk
Jan 7 '15 at 23:19
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Convert character to ASCII numeric value in java
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The several answers that purport to show how to do this are all wrong because Java characters are not ASCII characters. Java uses a multibyte encoding of Unicode characters. The Unicode character set is a super set of ASCII. So there can be characters in a Java string that do not belo...
delete vs delete[] operators in C++
... array of objects created with new [].
Using delete on a pointer returned by new [] or delete [] on a pointer returned by new results in undefined behavior.
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val() vs. text() for textarea
...text('test').val('too').text()); // Prints test
The value property, used by .val() always shows the current visible value, whereas text()'s return value can be wrong.
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