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How to properly compare two Integers in Java?
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No, == between Integer, Long etc will check for reference equality - i.e.
Integer x = ...;
Integer y = ...;
System.out.println(x == y);
this will check whether x and y refer to the same object rather than equal objects.
So
Integer x = new Integer(1...
abort, terminate or exit?
...t with an error code if the user gave input that could not be parsed, or a file could not be read. An exit code of 0 indicates success. exit also optionally calls handlers before it ends the program. These are registered with the atexit and on_exit functions.
std::terminate is what is automatically ...
browser sessionStorage. share between tabs?
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@vivek241 The solution worked great for me when the JS file size was smaller and "the solution script" given above is loaded as first script in the page. When my JS file grew too larger, say 1000 or more lines, it suddenly stopped working and removed my cookies and specific local...
What can MATLAB do that R cannot do? [closed]
...ctor (for R) are much more comprehensive than MATLAB + the toolboxes + the File Exchange. Also, the R-Help mailing list is usually as effective as paid support, in my experience. I agree that the MATLAB compiler is a great feature that isn't replicated in R.
– Richie Cotton
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SQL Server query to find all permissions/access for all users in a database
... as tables, views, and stored procedures, either directly or due to roles, etc. This report would be used for security auditing purposes. Not sure if anyone has a query that will fit my needs completely, but hopefully something that will give me a good start. Either sql 2008, 2005 or 2000 will do,...
Why Maven uses JDK 1.6 but my java -version is 1.7
...n:
echo export "JAVA_HOME=\$(/usr/libexec/java_home)" >> ~/.bash_profile
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Add data annotations to a class generated by entity framework
... you can read the rules for validating each field (from a database, config file, etc.) and add validators as need be. It has the added values that your validation is no longer tightly coupled to the model and can be changed without need to even restart the site. Of course it might be overkill for yo...
Practicing BDD with python [closed]
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Can I use behave without the feature files? I don't have non-technical users so writing them is just noise to me. If someone can't read my given/when/then tests they have no business in there any way.
– jeremyjjbrown
Nov 7 ...
Find out what process registered a global hotkey? (Windows API)
...Obj, ShellAPI, ActiveX, CommCtrl;
procedure GetShellLinkHotKey;
var
LinkFile : WideString;
SL: IShellLink;
PF: IPersistFile;
HotKey : Word;
HotKeyMod: Byte;
HotKeyText : string;
begin
LinkFile := 'C:\Temp\Temp.lnk';
OleCheck(CoCreateInstance(CLSID_ShellLink, nil, CLSCTX_INPROC_SER...
git pull while not in a git directory
... the command below while my cwd is /tmp updates that repo, but the updated file appears in /tmp instead of the working tree /tmp/ggg2:
GIT_DIR=/tmp/ggg2/.git git pull
See also this answer to a similar question, which demonstrates the --git-dir and --work-tree flags.
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