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Should I make HTML Anchors with 'name' or 'id'?
...hat has an ID exactly equal to fragid, then the first such element in tree order is the indicated part of the document; stop the algorithm here.
If there is an a element in the DOM that has a name attribute whose value is exactly equal to fragid, then the first such element in tree order is the...
How to convert TimeStamp to Date in Java?
...( ZoneId.of( "Africa/Tunis" ) )
.toEpochSecond()
…
"SELECT * FROM orders WHERE placed >= ? AND placed < ? ; "
…
myPreparedStatement.setObject( 1 , start )
myPreparedStatement.setObject( 2 , stop )
java.time
You are using troublesome old date-time classes that are now legacy, s...
Is it better practice to use String.format over string Concatenation in Java?
...thout requiring a recompile of the executable to account for the different ordering. With argument positions you can also re-use the same argument without passing it into the function twice:
String.format("Hello %1$s, your name is %1$s and the time is %2$t", name, time)
...
Disable password authentication for SSH [closed]
...
In file /etc/ssh/sshd_config
# Change to no to disable tunnelled clear text passwords
#PasswordAuthentication no
Uncomment the second line, and, if needed, change yes to no.
Then run
service ssh restart
...
sql “LIKE” equivalent in django query
...
In order to preserve the order of the words as in the sql LIKE '%pattern%' statement I use iregex, for example:
qs = table.objects.filter(string__iregex=pattern.replace(' ', '.*'))
string methods are immutable so your pattern...
When you exit a C application, is the malloc-ed memory automatically freed?
...point. Not all programs make it to graceful exits. Crashes and ctrl-C's, etc. will cause a program to exit in uncontrolled ways. If your OS did not free your heap, clean up your stack, delete static variables, etc, you would eventually crash your system from memory leaks or worse.
Interesting a...
Strengths of Shell Scripting compared to Python [closed]
... indispensable. Why do you think there are so many? bash, tcsh, csh, sh, etc., etc.,
Python is a shell. Not the one you'd use for running all commands, but for scripting, it's ideal.
Python is a more-or-less standard part of all Linux distro's.
The more traditional shells do too many things.
...
Why is it common to put CSRF prevention tokens in cookies?
... only for ajax requests (where JS needs to know the csrf cookie's value in order to resend it on next request in the second channel (either as form data or header)). There's no reason to require the csrf token be HttpOnly if the session cookie is already HttpOnly (to protect against XSS) since csrf ...
test a file upload using rspec - rails
...args to the helper, rather than args for the post itself. E.g., I had post order_documents_path @order, document: file instead of post order_documents_path(@order), document: file.
– soupdog
Mar 16 '16 at 0:50
...
Migration: Cannot add foreign key constraint
...ed as a primary key in it's original table. Migrations get executed in the order they were created as indicated by the file name generated after running migrate:make. E.g. 2014_05_10_165709_create_student_table.php.
The solution was to rename the file with the foreign key to an earlier time than th...