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Insert into a MySQL table or update if exists
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I know all of you allude to this, but I want to be explicit for others. If the ID you insert is NOT the PRIMARY KEY or UNIQUE, then this will not work. This didn't initially work for me because my ID was not unique.
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How to change column order in a table using sql query in sql server 2005?
...er when you make a "SELECT *". I'm a developer and do this kind of queries all the time. You can spare some time with a good pre-defined column order. From any other standpoint, of course, it has no sense: nothing should depend on the column order. By the way, there is an ORDINAL_POSITION column qhe...
Something like 'contains any' for Java set?
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Actually it will short-circuit as soon as it finds the first common element
– Xipo
Dec 15 '16 at 10:54
3
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How can I echo HTML in PHP?
I want to conditionally output HTML to generate a page, so what's the easiest way to echo multiline snippets of HTML in PHP 4+? Would I need to use a template framework like Smarty?
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Android - get children inside a View?
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If you not only want to get all direct children but all children's children and so on, you have to do it recursively:
private ArrayList<View> getAllChildren(View v) {
if (!(v instanceof ViewGroup)) {
ArrayList<View> viewArrayLi...
How to remove close button on the jQuery UI dialog?
...r-close", ui.dialog || ui).hide();
}
});
To hide the close button on all dialogs you can use the following CSS too:
.ui-dialog-titlebar-close {
visibility: hidden;
}
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Where should I put tags in HTML markup?
...ace to put the <script> tags and included JavaScript? I seem to recall that you are not supposed to place these in the <head> section, but placing at the beginning of the <body> section is bad, too, since the JavaScript will have to be parsed before the page is rendered compl...
Why does the indexing start with zero in 'C'?
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In C, the name of an array is essentially a pointer [but see the comments], a reference to a memory location, and so the expression array[n] refers to a memory location n elements away from the starting element. This means that the index is used as an offset. Th...
How Scalable is SQLite? [closed]
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Yesterday I released a small site* to track your rep that used a shared SQLite database for all visitors. Unfortunately, even with the modest load that it put on my host it ran quite slowly. This is because the entire database was locked every time s...
Why does Python print unicode characters when the default encoding is ASCII?
...ng the encoding scheme currently stored in sys.stdout.encoding. Python actually picks up this setting from the environment it's been initiated from. If it can't find a proper encoding from the environment, only then does it revert to its default, ASCII.
For example, I use a bash shell which encodin...