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Java: Instanceof and Generics
...Object(Class<T> type) {
return new MyObject<T>(type);
}
And then in the object's constructor store that type, so variable so that your method could look like this:
if (arg0 != null && !(this.type.isAssignableFrom(arg0.getClass()))
{
return -1;
...
How to set a default value for an existing column
...in SQL Server:
ALTER TABLE Employee ADD CONSTRAINT DF_SomeName DEFAULT N'SANDNES' FOR CityBorn;
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Turning off “created by” stamp when generating files in IntelliJ
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In IntelliJ 13 and above it is in the File and Code Templates area of the settings dialog. In Idea 15+ you can get there by typing ctrl+shift+A on windows or cmd+shift+A on osx and then typing Include Templates in the popup action search di...
PHP equivalent of .NET/Java's toString()
...rs:
$myText = (string)$myVar;
There are more details for string casting and conversion in the Strings section of the PHP manual, including special handling for booleans and nulls.
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How to apply a patch generated with git format-patch?
...essages contain a “Signed-off-by” tag. This tag will be read by Github and others to provide useful info about how the commit ended up in the code.
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Convert a CERT/PEM certificate to a PFX certificate
...L is available at slproweb.com/products/Win32OpenSSL.html. Just tried it, and it worked properly for this purpose.
– BrianFinkel
Sep 30 '11 at 17:55
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MySQL ON DUPLICATE KEY - last insert id?
...QL documentation example:
If a table contains an AUTO_INCREMENT column and INSERT ... UPDATE inserts a row, the LAST_INSERT_ID() function returns the AUTO_INCREMENT value. If the statement updates a row instead, LAST_INSERT_ID() is not meaningful. However, you can work around this by using LAST_...
Word-wrap in an HTML table
I've been using word-wrap: break-word to wrap text in div s and span s. However, it doesn't seem to work in table cells. I have a table set to width:100% , with one row and two columns. Text in columns, although styled with the above word-wrap , doesn't wrap. It causes the text to go past the ...
ruby 1.9: invalid byte sequence in UTF-8
... writing a crawler in Ruby (1.9) that consumes lots of HTML from a lot of random sites.
When trying to extract links, I decided to just use .scan(/href="(.*?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of " invalid byte sequence in UTF-8 " errors.
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Visual Studio hot keys change occasionally, specifically F6 vs Ctrl-Shift-B for building. WHY?
...gs, then follow this approach.
SOLUTION 1:
Go to "Tools" (menu)
"Import and Export Settings"
"Import selected environment settings"
Either select "Yes, save my current settings" or "No, just import new settings, overwriting my current settings"
"Which collection of settings do you want to import?...