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Foreign key constraints: When to use ON UPDATE and ON DELETE
...e maybe you need to keep the users in your application, as authors of some content, but removing the company is not a problem for you.
usually my default is: ON DELETE RESTRICT ON UPDATE CASCADE. with some ON DELETE CASCADE for track tables (logs--not all logs--, things like that) and ON DELETE SE...
How to construct a relative path in Java from two absolute paths (or URLs)?
...ble to create stuff like "..\..". But be aware of java.lang.IllegalArgumentm>Ex m>ception: 'other' has different root m>ex m>ception when asking for relative path from "C:\temp" to "D:\temp".
– Igor
Feb 13 '16 at 17:35
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java.nio.file.Path for a classpath resource
...ile.
It can be used in all Java versions named above, e.g. to listing the contents of a package (java.lang in the m>ex m>ample) as Paths, like this:
processRessource(Object.class.getResource("Object.class").toURI(), new IOConsumer<Path>() {
public void accept(Path path) throws IOm>Ex m>ception {
...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
...ll=\"#1BB76E\"/\u003e\u003c/svg\u003e\u003c/a\u003e",
contentPolicyHtml: "User contributions licensed under \u003ca href=\"https://stackoverflow.com/help/licensing\"\u003ecc by-sa\u003c/a\u003e \u003ca href=\"https://stackoverflow.com/legal/content-policy\"\u003e(content policy)...
How to get a cross-origin resource sharing (CORS) post request working
...= HttpResponse(json.dumps('{"status" : "success"}'))
response.__setitem__("Content-type", "application/json")
response.__setitem__("Access-Control-Allow-Origin", "*")
return response
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impro...
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
...
To be honest I don't know how to check the content of the validation errors. Visual Studio shows me that it's an array with 8 objects, so 8 validation errors.
Actually you should see the errors if you drill into that array in Visual studio during debug. But you can ...
Clear variable in python
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For the second option, "clear its contents" is not correct, this will only reassign the variable to None, the original object will still remain (unless its reference count reduces to zero in which case it is garbage collected).
– cs95
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jQuery: more than one handler for same event
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var ids = new Array("searchtab1", "searchtab2", "searchtab3");
When the content of searchtab1 changes, I want to update searchtab2 and searchtab3. Did it this way for encapsulation:
for (var i in ids) {
$("#" + ids[i]).change(function() {
for (var j in ids) {
if (this != ...
How to convert all tables from MyISAM into InnoDB?
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<?m>php m>
// connect your database here first
//
// Actual code starts here
$sql = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'your_database_name'
AND ENGINE = 'MyIS...
How to select from subquery using Laravel Query Builder?
... Thanks this worked for me, as a side note, be careful with the select content because laravel added some quote marks and I had to use ->select(\DB::raw('Your select')) to get rid of them.
– Wak
Jan 22 '19 at 9:15
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