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How do I use cascade delete with SQL Server?
...FERENCE constraint "FK_Child1_Parent1". The conflict occurred in database "TESTDB", table "dbo.Child1", column 'Parent1ID'."
– Palanikumar
Dec 1 '15 at 5:59
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Dependency graph of Visual Studio projects
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Tried it, threw an exception. Apparently MS never tested it with anything beyond a few projects. Absolutely worthless in my opinion.
– C Johnson
Jun 3 '13 at 9:15
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Ruby - test for array
...king is for Java. Go ahead and just call count on the variable. Write unit tests to make sure the method works as expected.
– user132447
Mar 21 '12 at 14:55
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How to select a node using XPath if sibling node has a specific value?
...-sibling XPath axis
//a/bb[text()="zz"]/following-sibling::cc[1]/text()
Test the Xpath here: http://www.xpathtester.com/obj/b55ec3ac-dfa4-4f44-81e8-f963ea4a0625
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How to check for a valid Base64 encoded string
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I think you are on the right track. I did some testing and it seems it is multiples of 4 instead of 3.
– Chris Mullins
Jun 10 '11 at 17:24
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
I have a unit test where I have to mock a non-virtual method that returns a bool type
6 Answers
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Using multiple arguments for string formatting in Python (e.g., '%s … %s')
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I have no way to test this (I don't know Python that much), but the examples seems to suggest that something like '{self.author} in {self.publication}'.format(self=self) should "work". I'm just not sure about the whole unicode thing.
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How to validate an email address in PHP
...ave false positives is something no mortal can do. Check out this list for tests (both failed and succeeded) of the regex used by PHP's filter_var() function.
Even the built-in PHP functions, email clients or servers don't get it right. Still in most cases filter_var is the best option.
If you wa...
is node.js' console.log asynchronous?
... // a terminal? great!
stdout = new tty.WriteStream(fd);
} else if (binding.isStdoutBlocking()) { // a file?
stdout = new fs.WriteStream(null, {fd: fd});
} else {
stdout = new net.Stream(fd); // a stream?
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Create a string of variable length, filled with a repeated character
...ls.
On Firefox, Chrome, Node.js MacOS, Node.js Ubuntu, and Safari, the fastest implementation I tested was:
function repeatChar(count, ch) {
if (count == 0) {
return "";
}
var count2 = count / 2;
var result = ch;
// double the input until it is long enough.
while (...