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Distinct by property of class with LINQ [duplicate]
...ment that? Do we have to use Guffa version(which is your version if NO_HASHSET is true...)? Thank you very much!
– gdoron is supporting Monica
Oct 17 '13 at 12:57
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Eclipse: All my projects disappeared from Project Explorer
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In my case your answer solved the problem. Setting Top Level Elements -> Projects had nothing to do with it.
– Benas
May 7 '14 at 7:32
1
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Background color not showing in print preview
...SS. This is done via the @media print and @media screen.
Often times just setting up some extra @media print CSS is not enough because you still have all your other CSS included when printing as well. In these cases you just need to be aware of CSS specificity as the print rules don't automatically...
Bytecode features not available in the Java language
...n Java compilers, however:
The ACC_SUPER flag:
This is a flag that can be set on a class and specifies how a specific corner case of the invokespecial bytecode is handled for this class. It is set by all modern Java compilers (where "modern" is >= Java 1.1, if I remember correctly) and only anci...
Why are joins bad when considering scalability?
...aller and potentially pre-indexed.
Table partitions (helps with large data sets by spreading the load out to multiple disks, or limiting what might have been a table scan down to a partition scan)
OLAP (pre-computes results of certain kinds of queries/joins. It's not quite true, but you can think of...
How do I check if a directory exists? “is_dir”, “file_exists” or both?
... More seriously, $dirname could be sanitized and permission could be set to 0755. Add to that some .htaccess directives. There's some further recommendations over at OWASP: owasp.org
– James P.
Aug 24 '13 at 5:21
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`Apache` `localhost/~username/` not working
... Does not work with El Capitan. Specifically I get 404... sigh. These settings go lost with every OS X version.
– Jonny
Sep 15 '15 at 14:52
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“Keep Me Logged In” - the best approach
...agine for a second that you're an attacker. You see a cryptographic cookie set for the remember-me on your session. It's 32 characters wide. Gee. That may be an MD5...
Let's also imagine for a second that they know the algorithm that you used. For example:
md5(salt+username+ip+salt)
Now, all an ...
Vertical (rotated) text in HTML table
...s3please.com/
As of 2017, the aforementioned site has simplified the rule set to drop legacy Internet Explorer filter and rely more in the now standard transform property:
.box_rotate {
-webkit-transform: rotate(7.5deg); /* Chrome, Opera 15+, Safari 3.1+ */
-ms-transform: rotate(7.5...
How to place the ~/.composer/vendor/bin directory in your PATH?
...ive for your current terminal session.
If you want it to be automatically set, it depends on the shell you are using. For bash, you can append this line to $HOME/.bashrc using your favorite editor or type the following on the shell
echo 'export PATH="$PATH:$HOME/.composer/vendor/bin"' >> ~/....