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Can you have if-then-else logic in SQL? [duplicate]
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You can make the following sql query
IF ((SELECT COUNT(*) FROM table1 WHERE project = 1) > 0)
SELECT product, price FROM table1 WHERE project = 1
ELSE IF ((SELECT COUNT(*) FROM table1 WHERE project = 2) > 0)
SELECT product, price FROM table1 WHER...
AngularJS : Why ng-bind is better than {{}} in angular?
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If you are not using ng-bind, instead something like this:
<div>
Hello, {{user.name}}
</div>
you might see the actual Hello, {{user.name}} for a second before user.name is resolved (before the data is loaded)...
Syntax for if/else condition in SCSS mixin
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You could try this:
$width:auto;
@mixin clearfix($width) {
@if $width == 'auto' {
// if width is not passed, or empty do this
} @else {
display: inline-block;
width: $width;
}
}
I'm not sure of your intended result, but setting a default value should retu...
Type definition in object literal in TypeScript
...n object literal, not an class object. Also an interface can have methods. If your interface defines a method, then the object literal must also define it - it won't be null. The object literal must fulfill everything the the interface defines or the type system will show an error.
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How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...l the .preventDefault() method of the event object passed to your handler. If you're using jQuery to bind your handlers, that event will be an instance of jQuery.Event and it will be the jQuery version of .preventDefault(). If you're using addEventListener to bind your handlers, it will be an Event ...
Check if value is in select list with JQuery
How can I, using JQuery, check if a value belongs to dropdown list or not?
6 Answers
6...
Why does Sql Server keep executing after raiserror when xact_abort is on?
I just got surprised by something in TSQL. I thought that if xact_abort was on, calling something like
4 Answers
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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...OBAL_DEFAULT);
char* url=“172.16.211.50/cc2/cc/getfile.php”;
if (!init(conn,url,&buffer ))
{
fprintf(stderr, “Connection initializion failed\n”);
exit(EXIT_FAILURE);
}
code = curl_easy_perform(conn);
if (code != CURLE_OK)
{
fprint...
Write a function that returns the longest palindrome in a given string
...ng "ABCDEFCBA".
Not that the string has "ABC" and "CBA" as its substring. If you reverse the original string, it will be "ABCFEDCBA". and the longest matching substring is "ABC" which is not a palindrome.
You may need to additionally check if this longest matching substring is actually a palindrom...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...t of the filesystem and so will not remove previously installed software.
If you're lucky, running make uninstall will work. It's up to the library's authors to provide that, however; some authors provide an uninstall target, others don't.
If you're not lucky, you'll have to manually uninstall it...