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Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
...ertain numbers are "pooled", and it returns the same instance for values smaller than 128.
From the java 1.6 source code, line 621:
public static Integer valueOf(int i) {
if(i >= -128 && i <= IntegerCache.high)
return IntegerCache.cache[i + 128];
else
return n...
How do I get my solution in Visual Studio back online in TFS?
...op of the Solution Explorer and select the Go Online option. Clicking this allowed me to select the files that had been changed when I was offline and make the solution online again.
After finding the solution, I found the following msdn forum thread which confirmed the above.
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What is the best way to test for an empty string with jquery-out-of-the-box?
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Based on David's answer I personally like to check the given object first if it is a string at all. Otherwise calling .trim() on a not existing object would throw an exception:
function isEmpty(value) {
return typeof value == 'string' && !value.t...
Should “node_modules” folder be included in the git repository
...ring if we should be tracking node_modules in our repo or doing an npm install when checking out the code?
9 Answers
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Deny access to one specific folder in .htaccess
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Create site/includes/.htaccess file and add this line:
Deny from all
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linux: kill background task
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Very useful symbols, these %1 and %% - especially. Some things don't die on Ctrl-C, so you need to Ctrl-Z them, and then kill -9 %%. One example where I found it useful is: while true; do mplayer <some unstable online radio>; date >> restarts.log; done - Ctr...
What is a PDB file?
...ld than in a Debug build anyway. But if you want it to not be generated at all, go to your project's Build properties, select the Release configuration, click on "Advanced..." and under "Debug Info" pick "None".
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How to do a logical OR operation in shell scripting
... @Doug: It's not that unix doesn't use them, it's that bash and all the other shells I know use them for input/output redirection.
– Cascabel
Nov 6 '10 at 2:28
add ...
Why does find -exec mv {} ./target/ + not work?
...thing.
find -exec command {} \;
For each result, command {} is executed. All occurences of {} are replaced by the filename. ; is prefixed with a slash to prevent the shell from interpreting it.
find -exec command {} +
Each result is appended to command and executed afterwards. Taking the command...
Addressing localhost from a VirtualBox virtual machine [closed]
...ng turned this up: http://data.agaric.com/localhost-from-virtualbox-xp-install-ubuntu
It suggests using IP: http://10.0.2.2, and it worked for me.
So, I edited the hosts file, C:\windows\system32\drivers\etc\hosts, and added this entry:
10.0.2.2 outer
If you're testing on IE8, remember to pu...