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Postgresql - change the size of a varchar column to lower length
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I was facing the same problem trying to truncate a VARCHAR from 32 to 8 and getting the ERROR: value too long for type character varying(8). I want to stay as close to SQL as possible because I'm using a self-made JPA-like structure that we might have to switch to different DBMS acco...
What's the best way to detect a 'touch screen' device using JavaScript?
...ows 8 even though my screen has no touch sensors. I upgraded my old laptop from Windows 7 to Windows 8.
– Pwner
Nov 26 '12 at 23:30
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How to add a default include path for GCC in Linux?
I'd like gcc to include files from $HOME/include in addition to the usual include directories, but there doesn't seem to be an analogue to $LD_LIBRARY_PATH .
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JSR-303 @Valid annotation not working for list of child objects
...: Hibernate Validator- Object Graph. (The list of passengers in Car)
Edit From Hibernate Validator 6 Reference doc:
In versions prior to 6, Hibernate Validator supported cascaded validation for a subset of container elements and it was implemented at the container level (e.g. you would use @Val...
Mockito: InvalidUseOfMatchersException
...ed to mock a package-access method. When I changed the method access level from package to protected the exception went away. E.g. inside below Java class,
public class Foo {
String getName(String id) {
return mMap.get(id);
}
}
the method String getName(String id) has to be AT LEA...
new Date() works differently in Chrome and Firefox
...h, unfortunately the date-parsing algorithms are implementation-dependent. From the specification of Date.parse (which is used by new Date):
The String may be interpreted as a local time, a UTC time, or a time in some other time zone, depending on the contents of the String. The function first a...
How can I make Sublime Text the default editor for Git?
...uctions: sublimetext.com/docs/3/osx_command_line.html but changed the path from Sublime Text.app to Sublime Text 2.app
– Evanss
Jul 10 '15 at 9:04
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Bash script - variable content as a command to run
...that correspond to the lines of a file. Next I want to extract those lines from the file using sed .
4 Answers
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Separating class code into a header and cpp file
...ntation per class is one, just one header file for each is enough.
Hence, from the accepted answer's example only this part is needed:
#ifndef MYHEADER_H
#define MYHEADER_H
//Class goes here, full declaration AND implementation
#endif
The #ifndef etc. preprocessor definitions allow it to be us...
How to find out element position in slice?
... Thanks. But I'm overwhelmed a little :) I heard many times from people using golang, that it is designed very well to increase programmer's productivity. And go programs looks as nice as python ones :) So why there is no a common way to do such a common task? I mean, if you want to c...