If you invoke Perl with the -d switch, your script runs under the Perl
source debugger. This works like an interactive Perl environment, prompting
for debugger commands that let you examine source code, set breakpoints, get
stack backtraces, change the values of variables, etc. This is so convenient
that you often fire up the debugger all by itself just to test out Perl
constructs interactively to see what they do. For example:
$ perl -d -e 42
In Perl, the debugger is not a separate program the way it usually
is in the typical compiled environment. Instead, the -d flag tells
the compiler to insert source information into the parse trees it's about to
hand off to the interpreter. That means your code must first compile
correctly for the debugger to work on it. Then when the interpreter starts
up, it preloads a special Perl library file containing the debugger.
The program will halt right before the first run-time
executable statement (but see below regarding compile-time statements) and
ask you to enter a debugger command. Contrary to popular expectations,
whenever the debugger halts and shows you a line of code, it always displays
the line it's about to execute, rather than the one it has just
executed.
Any command not recognized by the debugger is directly executed
("eval"'d) as Perl code in the current
package. (The debugger uses the DB package for keeping its own state
information.)
Note that the said "eval" is
bound by an implicit scope. As a result any newly introduced lexical
variable or any modified capture buffer content is lost after the eval. The
debugger is a nice environment to learn Perl, but if you interactively
experiment using material which should be in the same scope, stuff it in one
line.
For any text entered at the debugger prompt, leading and trailing
whitespace is first stripped before further processing. If a debugger
command coincides with some function in your own program, merely precede the
function with something that doesn't look like a debugger command, such as a
leading ";" or perhaps a
"+", or by wrapping it with parentheses or
braces.
There are several ways to call the debugger:
- perl -d program_name
- On the given program identified by
"program_name".
- perl -d -e 0
- Interactively supply an arbitrary
"expression" using
"-e".
- perl -d:ptkdb program_name
- Debug a given program via the
"Devel::ptkdb" GUI.
- perl -dt threaded_program_name
- Debug a given program using threads (experimental).
The interactive debugger understands the following commands:
- h
- Prints out a summary help message
- h [command]
- Prints out a help message for the given debugger command.
- h h
- The special argument of "h h" produces
the entire help page, which is quite long.
If the output of the "h h"
command (or any command, for that matter) scrolls past your screen,
precede the command with a leading pipe symbol so that it's run through
your pager, as in
DB> |h h
You may change the pager which is used via
"o pager=..." command.
- p expr
- Same as "print {$DB::OUT} expr" in the
current package. In particular, because this is just Perl's own
"print" function, this means that nested
data structures and objects are not dumped, unlike with the
"x" command.
The "DB::OUT" filehandle is
opened to /dev/tty, regardless of where STDOUT may be redirected
to.
- x [maxdepth] expr
- Evaluates its expression in list context and dumps out the result in a
pretty-printed fashion. Nested data structures are printed out
recursively, unlike the real "print"
function in Perl. When dumping hashes, you'll probably prefer 'x \%h'
rather than 'x %h'. See Dumpvalue if you'd like to
do this yourself.
The output format is governed by multiple options described
under "Configurable Options".
If the "maxdepth" is
included, it must be a numeral N; the value is dumped only
N levels deep, as if the
"dumpDepth" option had been
temporarily set to N.
- V [pkg [vars]]
- Display all (or some) variables in package (defaulting to
"main") using a data pretty-printer
(hashes show their keys and values so you see what's what, control
characters are made printable, etc.). Make sure you don't put the type
specifier (like "$") there, just the
symbol names, like this:
V DB filename line
Use "~pattern" and
"!pattern" for positive and negative
regexes.
This is similar to calling the
"x" command on each applicable
var.
- X [vars]
- Same as "V currentpackage [vars]".
- y [level [vars]]
- Display all (or some) lexical variables (mnemonic:
"mY" variables) in the current scope or
level scopes higher. You can limit the variables that you see with
vars which works exactly as it does for the
"V" and
"X" commands. Requires the
"PadWalker" module version 0.08 or
higher; will warn if this isn't installed. Output is pretty-printed in the
same style as for "V" and the format is
controlled by the same options.
- T
- Produce a stack backtrace. See below for details on its output.
- s [expr]
- Single step. Executes until the beginning of another statement, descending
into subroutine calls. If an expression is supplied that includes function
calls, it too will be single-stepped.
- n [expr]
- Next. Executes over subroutine calls, until the beginning of the next
statement. If an expression is supplied that includes function calls,
those functions will be executed with stops before each statement.
- r
- Continue until the return from the current subroutine. Dump the return
value if the "PrintRet" option is set
(default).
- <CR>
- Repeat last "n" or
"s" command.
- c [line|sub]
- Continue, optionally inserting a one-time-only breakpoint at the specified
line or subroutine.
- l
- List next window of lines.
- l min+incr
- List "incr+1" lines starting at
"min".
- l min-max
- List lines "min" through
"max". "l
-" is synonymous to
"-".
- l line
- List a single line.
- l subname
- List first window of lines from subroutine. subname may be a
variable that contains a code reference.
- -
- List previous window of lines.
- v [line]
- View a few lines of code around the current line.
- .
- Return the internal debugger pointer to the line last executed, and print
out that line.
- f filename
- Switch to viewing a different file or
"eval" statement. If filename is
not a full pathname found in the values of %INC,
it is considered a regex.
"eval"ed strings (when
accessible) are considered to be filenames: "f
(eval 7)" and "f eval 7\b"
access the body of the 7th "eval"ed
string (in the order of execution). The bodies of the currently executed
"eval" and of
"eval"ed strings that define
subroutines are saved and thus accessible.
- /pattern/
- Search forwards for pattern (a Perl regex); final / is optional. The
search is case-insensitive by default.
- ?pattern?
- Search backwards for pattern; final ? is optional. The search is
case-insensitive by default.
- L [abw]
- List (default all) actions, breakpoints and watch expressions
- S [[!]regex]
- List subroutine names [not] matching the regex.
- t [n]
- Toggle trace mode (see also the
"AutoTrace" option). Optional argument
is the maximum number of levels to trace below the current one; anything
deeper than that will be silent.
- t [n] expr
- Trace through execution of "expr".
Optional first argument is the maximum number of levels to trace below the
current one; anything deeper than that will be silent. See "Frame
Listing Output Examples" in perldebguts for examples.
- b
- Sets breakpoint on current line
- b [line] [condition]
- Set a breakpoint before the given line. If a condition is specified, it's
evaluated each time the statement is reached: a breakpoint is taken only
if the condition is true. Breakpoints may only be set on lines that begin
an executable statement. Conditions don't use
"if":
b 237 $x > 30
b 237 ++$count237 < 11
b 33 /pattern/i
If the line number is ".",
sets a breakpoint on the current line:
b . $n > 100
- b [file]:[line] [condition]
- Set a breakpoint before the given line in a (possibly different) file. If
a condition is specified, it's evaluated each time the statement is
reached: a breakpoint is taken only if the condition is true. Breakpoints
may only be set on lines that begin an executable statement. Conditions
don't use "if":
b lib/MyModule.pm:237 $x > 30
b /usr/lib/perl5/site_perl/CGI.pm:100 ++$count100 < 11
- b subname [condition]
- Set a breakpoint before the first line of the named subroutine.
subname may be a variable containing a code reference (in this case
condition is not supported).
- b postpone subname [condition]
- Set a breakpoint at first line of subroutine after it is compiled.
- b load filename
- Set a breakpoint before the first executed line of the filename,
which should be a full pathname found amongst the
%INC values.
- b compile subname
- Sets a breakpoint before the first statement executed after the specified
subroutine is compiled.
- B line
- Delete a breakpoint from the specified line.
- B *
- Delete all installed breakpoints.
- disable [file]:[line]
- Disable the breakpoint so it won't stop the execution of the program.
Breakpoints are enabled by default and can be re-enabled using the
"enable" command.
- disable [line]
- Disable the breakpoint so it won't stop the execution of the program.
Breakpoints are enabled by default and can be re-enabled using the
"enable" command.
This is done for a breakpoint in the current file.
- enable [file]:[line]
- Enable the breakpoint so it will stop the execution of the program.
- enable [line]
- Enable the breakpoint so it will stop the execution of the program.
This is done for a breakpoint in the current file.
- a [line] command
- Set an action to be done before the line is executed. If line is
omitted, set an action on the line about to be executed. The sequence of
steps taken by the debugger is
1. check for a breakpoint at this line
2. print the line if necessary (tracing)
3. do any actions associated with that line
4. prompt user if at a breakpoint or in single-step
5. evaluate line
For example, this will print out $foo
every time line 53 is passed:
a 53 print "DB FOUND $foo\n"
- A line
- Delete an action from the specified line.
- A *
- Delete all installed actions.
- w expr
- Add a global watch-expression. Whenever a watched global changes the
debugger will stop and display the old and new values.
- W expr
- Delete watch-expression
- W *
- Delete all watch-expressions.
- o
- Display all options.
- o booloption ...
- Set each listed Boolean option to the value
1.
- o anyoption? ...
- Print out the value of one or more options.
- o option=value ...
- Set the value of one or more options. If the value has internal
whitespace, it should be quoted. For example, you could set
"o pager="less
-MQeicsNfr"" to call less with those specific
options. You may use either single or double quotes, but if you do, you
must escape any embedded instances of same sort of quote you began with,
as well as any escaping any escapes that immediately precede that quote
but which are not meant to escape the quote itself. In other words, you
follow single-quoting rules irrespective of the quote; eg:
"o option='this isn\'t bad'" or
"o option="She said, \"Isn't
it?\""".
For historical reasons, the
"=value" is optional, but defaults to
1 only where it is safe to do so--that is, mostly for Boolean options.
It is always better to assign a specific value using
"=". The
"option" can be abbreviated, but for
clarity probably should not be. Several options can be set together. See
"Configurable Options" for a list of these.
- < ?
- List out all pre-prompt Perl command actions.
- < [ command ]
- Set an action (Perl command) to happen before every debugger prompt. A
multi-line command may be entered by backslashing the newlines.
- < *
- Delete all pre-prompt Perl command actions.
- << command
- Add an action (Perl command) to happen before every debugger prompt. A
multi-line command may be entered by backwhacking the newlines.
- > ?
- List out post-prompt Perl command actions.
- > command
- Set an action (Perl command) to happen after the prompt when you've just
given a command to return to executing the script. A multi-line command
may be entered by backslashing the newlines (we bet you couldn't have
guessed this by now).
- > *
- Delete all post-prompt Perl command actions.
- >> command
- Adds an action (Perl command) to happen after the prompt when you've just
given a command to return to executing the script. A multi-line command
may be entered by backslashing the newlines.
- { ?
- List out pre-prompt debugger commands.
- { [ command ]
- Set an action (debugger command) to happen before every debugger prompt. A
multi-line command may be entered in the customary fashion.
Because this command is in some senses new, a warning is
issued if you appear to have accidentally entered a block instead. If
that's what you mean to do, write it as with ";{
... }" or even "do { ...
}".
- { *
- Delete all pre-prompt debugger commands.
- {{ command
- Add an action (debugger command) to happen before every debugger prompt. A
multi-line command may be entered, if you can guess how: see above.
- ! number
- Redo a previous command (defaults to the previous command).
- ! -number
- Redo number'th previous command.
- ! pattern
- Redo last command that started with pattern. See "o
recallCommand", too.
- !! cmd
- Run cmd in a subprocess (reads from DB::IN, writes to DB::OUT) See
"o shellBang", also. Note that the
user's current shell (well, their $ENV{SHELL}
variable) will be used, which can interfere with proper interpretation of
exit status or signal and coredump information.
- source file
- Read and execute debugger commands from file. file may
itself contain "source" commands.
- H -number
- Display last n commands. Only commands longer than one character are
listed. If number is omitted, list them all.
- q or ^D
- Quit. ("quit" doesn't work for this, unless you've made an
alias) This is the only supported way to exit the debugger, though typing
"exit" twice might work.
Set the "inhibit_exit"
option to 0 if you want to be able to step off the end the script. You
may also need to set $finished to 0 if you want
to step through global destruction.
- R
- Restart the debugger by "exec()"ing a
new session. We try to maintain your history across this, but internal
settings and command-line options may be lost.
The following setting are currently preserved: history,
breakpoints, actions, debugger options, and the Perl command-line
options -w, -I, and -e.
- |dbcmd
- Run the debugger command, piping DB::OUT into your current pager.
- ||dbcmd
- Same as "|dbcmd" but DB::OUT is
temporarily "select"ed as well.
- = [alias value]
- Define a command alias, like
= quit q
or list current aliases.
- command
- Execute command as a Perl statement. A trailing semicolon will be
supplied. If the Perl statement would otherwise be confused for a Perl
debugger, use a leading semicolon, too.
- m expr
- List which methods may be called on the result of the evaluated
expression. The expression may evaluated to a reference to a blessed
object, or to a package name.
- M
- Display all loaded modules and their versions.
- man [manpage]
- Despite its name, this calls your system's default documentation viewer on
the given page, or on the viewer itself if manpage is omitted. If
that viewer is man, the current
"Config" information is used to invoke
man using the proper MANPATH or -M manpath
option. Failed lookups of the form "XXX"
that match known manpages of the form perlXXX will be retried. This
lets you type "man debug" or
"man op" from the debugger.
On systems traditionally bereft of a usable man
command, the debugger invokes perldoc. Occasionally this
determination is incorrect due to recalcitrant vendors or rather more
felicitously, to enterprising users. If you fall into either category,
just manually set the $DB::doccmd variable to
whatever viewer to view the Perl documentation on your system. This may
be set in an rc file, or through direct assignment. We're still waiting
for a working example of something along the lines of:
$DB::doccmd = 'netscape -remote http://something.here/';
The debugger has numerous options settable using the
"o" command, either interactively or from
the environment or an rc file. (./.perldb or ~/.perldb under Unix.)
- "recallCommand", "ShellBang"
- The characters used to recall a command or spawn a shell. By default, both
are set to "!", which is
unfortunate.
- "pager"
- Program to use for output of pager-piped commands (those beginning with a
"|" character.) By default,
$ENV{PAGER} will be used. Because the debugger
uses your current terminal characteristics for bold and underlining, if
the chosen pager does not pass escape sequences through unchanged, the
output of some debugger commands will not be readable when sent through
the pager.
- "tkRunning"
- Run Tk while prompting (with ReadLine).
- "signalLevel", "warnLevel", "dieLevel"
- Level of verbosity. By default, the debugger leaves your exceptions and
warnings alone, because altering them can break correctly running
programs. It will attempt to print a message when uncaught INT, BUS, or
SEGV signals arrive. (But see the mention of signals in "BUGS"
below.)
To disable this default safe mode, set these values to
something higher than 0. At a level of 1, you get backtraces upon
receiving any kind of warning (this is often annoying) or exception
(this is often valuable). Unfortunately, the debugger cannot discern
fatal exceptions from non-fatal ones. If
"dieLevel" is even 1, then your
non-fatal exceptions are also traced and unceremoniously altered if they
came from "eval'ed" strings or from
any kind of "eval" within modules
you're attempting to load. If
"dieLevel" is 2, the debugger doesn't
care where they came from: It usurps your exception handler and prints
out a trace, then modifies all exceptions with its own embellishments.
This may perhaps be useful for some tracing purposes, but tends to
hopelessly destroy any program that takes its exception handling
seriously.
- "AutoTrace"
- Trace mode (similar to "t" command, but
can be put into "PERLDB_OPTS").
- "LineInfo"
- File or pipe to print line number info to. If it is a pipe (say,
"|visual_perl_db"), then a short message
is used. This is the mechanism used to interact with a slave editor or
visual debugger, such as the special
"vi" or
"emacs" hooks, or the
"ddd" graphical debugger.
- "inhibit_exit"
- If 0, allows stepping off the end of the script.
- "PrintRet"
- Print return value after "r" command if
set (default).
- "ornaments"
- Affects screen appearance of the command line (see Term::ReadLine). There
is currently no way to disable these, which can render some output
illegible on some displays, or with some pagers. This is considered a
bug.
- "frame"
- Affects the printing of messages upon entry and exit from subroutines. If
"frame & 2" is false, messages are
printed on entry only. (Printing on exit might be useful if interspersed
with other messages.)
If "frame & 4",
arguments to functions are printed, plus context and caller info. If
"frame & 8", overloaded
"stringify" and
"tie"d
"FETCH" is enabled on the printed
arguments. If "frame &
16", the return value from the subroutine is printed.
The length at which the argument list is truncated is governed
by the next option:
- "maxTraceLen"
- Length to truncate the argument list when the
"frame" option's bit 4 is set.
- "windowSize"
- Change the size of code list window (default is 10 lines).
The following options affect what happens with
"V",
"X", and
"x" commands:
- "arrayDepth", "hashDepth"
- Print only first N elements ('' for all).
- "dumpDepth"
- Limit recursion depth to N levels when dumping structures. Negative values
are interpreted as infinity. Default: infinity.
- "compactDump", "veryCompact"
- Change the style of array and hash output. If
"compactDump", short array may be
printed on one line.
- "globPrint"
- Whether to print contents of globs.
- "DumpDBFiles"
- Dump arrays holding debugged files.
- "DumpPackages"
- Dump symbol tables of packages.
- "DumpReused"
- Dump contents of "reused" addresses.
- "quote", "HighBit", "undefPrint"
- Change the style of string dump. The default value for
"quote" is
"auto"; one can enable double-quotish or
single-quotish format by setting it to
""" or
"'", respectively. By default,
characters with their high bit set are printed verbatim.
- "UsageOnly"
- Rudimentary per-package memory usage dump. Calculates total size of
strings found in variables in the package. This does not include lexicals
in a module's file scope, or lost in closures.
- "HistFile"
- The path of the file from which the history (assuming a usable
Term::ReadLine backend) will be read on the debugger's startup, and to
which it will be saved on shutdown (for persistence across sessions).
Similar in concept to Bash's
".bash_history" file.
- "HistSize"
- The count of the saved lines in the history (assuming
"HistFile" above).
After the rc file is read, the debugger reads the
$ENV{PERLDB_OPTS} environment variable and parses
this as the remainder of a "O ..." line as one might enter at the
debugger prompt. You may place the initialization options
"TTY",
"noTTY",
"ReadLine", and
"NonStop" there.
If your rc file contains:
parse_options("NonStop=1 LineInfo=db.out AutoTrace");
then your script will run without human intervention, putting
trace information into the file db.out. (If you interrupt it, you'd
better reset "LineInfo" to /dev/tty
if you expect to see anything.)
- "TTY"
- The TTY to use for debugging I/O.
- "noTTY"
- If set, the debugger goes into "NonStop"
mode and will not connect to a TTY. If interrupted (or if control goes to
the debugger via explicit setting of $DB::signal
or $DB::single from the Perl script), it connects
to a TTY specified in the "TTY" option
at startup, or to a tty found at runtime using the
"Term::Rendezvous" module of your
choice.
This module should implement a method named
"new" that returns an object with two
methods: "IN" and
"OUT". These should return filehandles
to use for debugging input and output correspondingly. The
"new" method should inspect an
argument containing the value of
$ENV{PERLDB_NOTTY} at startup, or
"$ENV{HOME}/.perldbtty$$" otherwise.
This file is not inspected for proper ownership, so security hazards are
theoretically possible.
- "ReadLine"
- If false, readline support in the debugger is disabled in order to debug
applications that themselves use ReadLine.
- "NonStop"
- If set, the debugger goes into non-interactive mode until interrupted, or
programmatically by setting $DB::signal or
$DB::single.
Here's an example of using the
$ENV{PERLDB_OPTS} variable:
$ PERLDB_OPTS="NonStop frame=2" perl -d myprogram
That will run the script myprogram without human
intervention, printing out the call tree with entry and exit points. Note
that "NonStop=1 frame=2" is equivalent to
"N f=2", and that originally, options
could be uniquely abbreviated by the first letter (modulo the
"Dump*" options). It is nevertheless
recommended that you always spell them out in full for legibility and future
compatibility.
Other examples include
$ PERLDB_OPTS="NonStop LineInfo=listing frame=2" perl -d myprogram
which runs script non-interactively, printing info on each entry
into a subroutine and each executed line into the file named listing.
(If you interrupt it, you would better reset
"LineInfo" to something
"interactive"!)
Other examples include (using standard shell syntax to show
environment variable settings):
$ ( PERLDB_OPTS="NonStop frame=1 AutoTrace LineInfo=tperl.out"
perl -d myprogram )
which may be useful for debugging a program that uses
"Term::ReadLine" itself. Do not forget to
detach your shell from the TTY in the window that corresponds to
/dev/ttyXX, say, by issuing a command like
$ sleep 1000000
See "Debugger Internals" in perldebguts for details.
- Prompt
- The debugger prompt is something like
DB<8>
or even
DB<<17>>
where that number is the command number, and which you'd use
to access with the built-in csh-like history mechanism. For
example, "!17" would repeat command
number 17. The depth of the angle brackets indicates the nesting depth
of the debugger. You could get more than one set of brackets, for
example, if you'd already at a breakpoint and then printed the result of
a function call that itself has a breakpoint, or you step into an
expression via "s/n/t
expression" command.
- Multiline commands
- If you want to enter a multi-line command, such as a subroutine definition
with several statements or a format, escape the newline that would
normally end the debugger command with a backslash. Here's an example:
DB<1> for (1..4) { \
cont: print "ok\n"; \
cont: }
ok
ok
ok
ok
Note that this business of escaping a newline is specific to
interactive commands typed into the debugger.
- Stack backtrace
- Here's an example of what a stack backtrace via
"T" command might look like:
$ = main::infested called from file 'Ambulation.pm' line 10
@ = Ambulation::legs(1, 2, 3, 4) called from file 'camel_flea'
line 7
$ = main::pests('bactrian', 4) called from file 'camel_flea'
line 4
The left-hand character up there indicates the context in
which the function was called, with
"$" and
"@" meaning scalar or list contexts
respectively, and "." meaning void
context (which is actually a sort of scalar context). The display above
says that you were in the function
"main::infested" when you ran the
stack dump, and that it was called in scalar context from line 10 of the
file Ambulation.pm, but without any arguments at all, meaning it
was called as &infested. The next stack
frame shows that the function
"Ambulation::legs" was called in list
context from the camel_flea file with four arguments. The last
stack frame shows that "main::pests"
was called in scalar context, also from camel_flea, but from line
4.
If you execute the "T"
command from inside an active "use"
statement, the backtrace will contain both a
"require" frame and an
"eval" frame.
- Line Listing Format
- This shows the sorts of output the "l"
command can produce:
DB<<13>> l
101: @i{@i} = ();
102:b @isa{@i,$pack} = ()
103 if(exists $i{$prevpack} || exists $isa{$pack});
104 }
105
106 next
107==> if(exists $isa{$pack});
108
109:a if ($extra-- > 0) {
110: %isa = ($pack,1);
Breakable lines are marked with
":". Lines with breakpoints are marked
by "b" and those with actions by
"a". The line that's about to be
executed is marked by "==>".
Please be aware that code in debugger listings may not look
the same as your original source code. Line directives and external
source filters can alter the code before Perl sees it, causing code to
move from its original positions or take on entirely different
forms.
- Frame listing
- When the "frame" option is set, the
debugger would print entered (and optionally exited) subroutines in
different styles. See perldebguts for incredibly long examples of
these.
If you have compile-time executable statements (such as code within BEGIN,
UNITCHECK and CHECK blocks or "use"
statements), these will not be stopped by debugger, although
"require"s and INIT blocks will, and
compile-time statements can be traced with the
"AutoTrace" option set in
"PERLDB_OPTS"). From your own Perl code,
however, you can transfer control back to the debugger using the following
statement, which is harmless if the debugger is not running:
$DB::single = 1;
If you set $DB::single to 2, it's
equivalent to having just typed the "n"
command, whereas a value of 1 means the
"s" command. The
$DB::trace variable should be set to 1 to simulate
having typed the "t" command.
Another way to debug compile-time code is to start the debugger,
set a breakpoint on the load of some module:
DB<7> b load f:/perllib/lib/Carp.pm
Will stop on load of 'f:/perllib/lib/Carp.pm'.
and then restart the debugger using the
"R" command (if possible). One can use
"b compile
subname" for the same purpose.
The debugger probably contains enough configuration hooks that you won't ever
have to modify it yourself. You may change the behaviour of the debugger from
within the debugger using its "o" command,
from the command line via the "PERLDB_OPTS"
environment variable, and from customization files.
You can do some customization by setting up a .perldb file,
which contains initialization code. For instance, you could make aliases
like these (the last one is one people expect to be there):
$DB::alias{'len'} = 's/^len(.*)/p length($1)/';
$DB::alias{'stop'} = 's/^stop (at|in)/b/';
$DB::alias{'ps'} = 's/^ps\b/p scalar /';
$DB::alias{'quit'} = 's/^quit(\s*)/exit/';
You can change options from .perldb by using calls like
this one;
parse_options("NonStop=1 LineInfo=db.out AutoTrace=1 frame=2");
The code is executed in the package
"DB". Note that .perldb is
processed before processing "PERLDB_OPTS".
If .perldb defines the subroutine
"afterinit", that function is called after
debugger initialization ends. .perldb may be contained in the current
directory, or in the home directory. Because this file is sourced in by Perl
and may contain arbitrary commands, for security reasons, it must be owned
by the superuser or the current user, and writable by no one but its
owner.
You can mock TTY input to debugger by adding arbitrary commands to
@DB::typeahead. For example, your .perldb
file might contain:
sub afterinit { push @DB::typeahead, "b 4", "b 6"; }
Which would attempt to set breakpoints on lines 4 and 6
immediately after debugger initialization. Note that
@DB::typeahead is not a supported interface and is
subject to change in future releases.
If you want to modify the debugger, copy perl5db.pl from
the Perl library to another name and hack it to your heart's content. You'll
then want to set your "PERL5DB"
environment variable to say something like this:
BEGIN { require "myperl5db.pl" }
As a last resort, you could also use
"PERL5DB" to customize the debugger by
directly setting internal variables or calling debugger functions.
Note that any variables and functions that are not documented in
this document (or in perldebguts) are considered for internal use only, and
as such are subject to change without notice.
As shipped, the only command-line history supplied is a simplistic one that
checks for leading exclamation points. However, if you install the
Term::ReadKey and Term::ReadLine modules from CPAN (such as
Term::ReadLine::Gnu, Term::ReadLine::Perl, ...) you will have full editing
capabilities much like those GNU readline(3) provides. Look for these
in the modules/by-module/Term directory on CPAN. These do not support
normal vi command-line editing, however.
A rudimentary command-line completion is also available, including
lexical variables in the current scope if the
"PadWalker" module is installed.
Without Readline support you may see the symbols "^[[A",
"^[[C", "^[[B", "^[[D"", "^H",
... when using the arrow keys and/or the backspace key.
If you have the GNU's version of emacs installed on your system, it can
interact with the Perl debugger to provide an integrated software development
environment reminiscent of its interactions with C debuggers.
Recent versions of Emacs come with a start file for making
emacs act like a syntax-directed editor that understands (some of)
Perl's syntax. See perlfaq3.
Users of vi should also look into vim and
gvim, the mousey and windy version, for coloring of Perl
keywords.
Note that only perl can truly parse Perl, so all such CASE tools
fall somewhat short of the mark, especially if you don't program your Perl
as a C programmer might.
If you wish to supply an alternative debugger for Perl to run, invoke your
script with a colon and a package argument given to the -d flag. Perl's
alternative debuggers include a Perl profiler, Devel::NYTProf, which is
available separately as a CPAN distribution. To profile your Perl program in
the file mycode.pl, just type:
$ perl -d:NYTProf mycode.pl
When the script terminates the profiler will create a database of
the profile information that you can turn into reports using the profiler's
tools. See <perlperf> for details.


Class: Aws::FSx::Types::LustreFileSystemConfiguration
| Relationships & Source Files | |
| Super Chains via Extension / Inclusion / Inheritance | |
|
Class Chain:
self,
Struct
|
|
|
Instance Chain:
self,
::Aws::Structure ,
Struct
|
|
| Inherits: |
Struct
|
| Defined in: | gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb |
Overview
The configuration for the Amazon FSx for Lustre file system.
Constant Summary
Instance Attribute Summary
-
#automatic_backup_retention_days ⇒ Integer
rw
The number of days to retain automatic backups.
-
#copy_tags_to_backups ⇒ Boolean
rw
A boolean flag indicating whether tags on the file system are copied to backups.
-
#daily_automatic_backup_start_time ⇒ String
rw
A recurring daily time, in the format
HH:MM
. -
#data_compression_type ⇒ String
rw
The data compression configuration for the file system.
-
#data_repository_configuration ⇒ Types::DataRepositoryConfiguration
rw
The data repository configuration object for Lustre file systems returned in the response of the
CreateFileSystem
operation. -
#deployment_type ⇒ String
rw
The deployment type of the
::Aws::FSx
for Lustre file system. -
#drive_cache_type ⇒ String
rw
The type of drive cache used by
PERSISTENT_1
file systems that are provisioned with HDD storage devices. -
#log_configuration ⇒ Types::LustreLogConfiguration
rw
The Lustre logging configuration.
-
#mount_name ⇒ String
rw
You use the
MountName
value when mounting the file system. -
#per_unit_storage_throughput ⇒ Integer
rw
Per unit storage throughput represents the megabytes per second of read or write throughput per 1 tebibyte of storage provisioned.
-
#root_squash_configuration ⇒ Types::LustreRootSquashConfiguration
rw
The Lustre root squash configuration for an Amazon FSx for Lustre file system.
-
#weekly_maintenance_start_time ⇒ String
rw
The preferred start time to perform weekly maintenance, formatted d:HH:MM in the UTC time zone.
Instance Method Summary
Instance Attribute Details
#automatic_backup_retention_days ⇒ Integer
(rw)
The number of days to retain automatic backups. Setting this
property to 0
disables automatic backups. You can retain automatic
backups for a maximum of 90 days. The default is 30
.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#copy_tags_to_backups ⇒ Boolean
(rw)
A boolean flag indicating whether tags on the file system are copied to backups. If it's set to true, all tags on the file system are copied to all automatic backups and any user-initiated backups where the user doesn't specify any tags. If this value is true, and you specify one or more tags, only the specified tags are copied to backups. If you specify one or more tags when creating a user-initiated backup, no tags are copied from the file system, regardless of this value. (Default = false)
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#daily_automatic_backup_start_time ⇒ String
(rw)
A recurring daily time, in the format HH:MM
. HH
is the
zero-padded hour of the day (0-23), and MM
is the zero-padded
minute of the hour. For example, 05:00
specifies 5 AM daily.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#data_compression_type ⇒ String
(rw)
The data compression configuration for the file system.
DataCompressionType
can have the following values:
NONE
- Data compression is turned off for the file system.LZ4
- Data compression is turned on with the LZ4 algorithm.
For more information, see Lustre data compression.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#data_repository_configuration ⇒ Types::DataRepositoryConfiguration (rw)
The data repository configuration object for Lustre file systems
returned in the response of the CreateFileSystem
operation.
This data type is not supported on file systems with a data repository association. For file systems with a data repository association, see .
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#deployment_type ⇒ String
(rw)
The deployment type of the ::Aws::FSx
for Lustre file system. Scratch
deployment type is designed for temporary storage and shorter-term
processing of data.
SCRATCH_1
and SCRATCH_2
deployment types are best suited for
when you need temporary storage and shorter-term processing of data.
The SCRATCH_2
deployment type provides in-transit encryption of
data and higher burst throughput capacity than SCRATCH_1
.
The PERSISTENT_1
and PERSISTENT_2
deployment type is used for
longer-term storage and workloads and encryption of data in transit.
PERSISTENT_2
is built on Lustre v2.12 and offers higher
PerUnitStorageThroughput
(up to 1000 MB/s/TiB) along with a lower
minimum storage capacity requirement (600 GiB). To learn more about
::Aws::FSx
for Lustre deployment types, see ::Aws::FSx
for Lustre deployment
options.
The default is SCRATCH_1
.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#drive_cache_type ⇒ String
(rw)
The type of drive cache used by PERSISTENT_1
file systems that are
provisioned with HDD storage devices. This parameter is required
when StorageType
is HDD. When set to READ
the file system has an
SSD storage cache that is sized to 20% of the file system's storage
capacity. This improves the performance for frequently accessed
files by caching up to 20% of the total storage capacity.
This parameter is required when StorageType
is set to HDD.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#log_configuration ⇒ Types::LustreLogConfiguration (rw)
The Lustre logging configuration. Lustre logging writes the enabled log events for your file system to Amazon CloudWatch Logs.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#mount_name ⇒ String
(rw)
You use the MountName
value when mounting the file system.
For the SCRATCH_1
deployment type, this value is always "fsx
".
For SCRATCH_2
, PERSISTENT_1
, and PERSISTENT_2
deployment
types, this value is a string that is unique within an Amazon Web
Services Region.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#per_unit_storage_throughput ⇒ Integer
(rw)
Per unit storage throughput represents the megabytes per second of
read or write throughput per 1 tebibyte of storage provisioned. File
system throughput capacity is equal to Storage capacity (TiB) *
PerUnitStorageThroughput (MB/s/TiB). This option is only valid for
PERSISTENT_1
and PERSISTENT_2
deployment types.
Valid values:
For
PERSISTENT_1
SSD storage: 50, 100, 200.For
PERSISTENT_1
HDD storage: 12, 40.For
PERSISTENT_2
SSD storage: 125, 250, 500, 1000.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#root_squash_configuration ⇒ Types::LustreRootSquashConfiguration (rw)
The Lustre root squash configuration for an Amazon FSx for Lustre file system. When enabled, root squash restricts root-level access from clients that try to access your file system as a root user.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end
#weekly_maintenance_start_time ⇒ String
(rw)
The preferred start time to perform weekly maintenance, formatted
d:HH:MM in the UTC time zone. Here, d
is the weekday number, from
1 through 7, beginning with Monday and ending with Sunday.
# File 'gems/aws-sdk-fsx/lib/aws-sdk-fsx/types.rb', line 6098
class LustreFileSystemConfiguration < Struct.new( :weekly_maintenance_start_time, :data_repository_configuration, :deployment_type, :per_unit_storage_throughput, :mount_name, :daily_automatic_backup_start_time, :automatic_backup_retention_days, :, :drive_cache_type, :data_compression_type, :log_configuration, :root_squash_configuration) SENSITIVE = [] include Aws::Structure end


Mr. Holland, a wannabe composer, takes a teaching job to pay for his family and falls in love with his students at a highschool teaching job.
| Instrument | Type |
|---|---|
| Trumpet | Brass |
| Violin | String |
| Clarinet | Wood Wind |
| Xylophone | Percussion |
Though Mr. Holland's Opus recieved favorable audience reviews when it was first released, it still was not critically aclaimed at the time. It grossed over $100,000,000 worldwide and resulted in the sound track's composer's, Michael Kamen, opening of the Mr. Holland's Opus Foundation (MHOF) which is dedicated to the future of music education.
Looking at Rotten Tomato's site I liked the layout but was not a fan of the bulky web advertising block that shoved the important content off to the right of the main web page. I did like the floating share section that allowed for social media sharing. One major thing that I didn't understand when inspecting the page's source code was that within the main body of the website the advertisement space was highlighted as part of it but I couldn't actually find the code for the ad space within the main body section of code.


BLINK (1994) A Film Review Copyright Dragan Antulov 1999
According to the video distributor in my country, BLINK, 1994 movie by Michael Apted, was awarded as the best thriller for that year. That wasn't enough for this film to be picked from the multitude of different thrillers that used to flood the video store shelves few years ago. But I remembered Michael Apted as a director of very interesting, although not too successful 1983 thriller GORKY PARK. I also noticed Madeleine Stowe, an actress I like very much, in a lead role. That was enough for me to pick this film and I didn't regret it later.
Unlike many formulaic, by-the-numbers, thrillers, and despite its "high concept" premise, BLINK, scripted by Dana Stevens, has a rather complicated plot. Emma Brody (played by Stowe) was blinded by her abusive mother in childhood. Years have passed, and Emma, being adapted to darkness, became a folk musician in Chicago. But the new improvements in medical technology allowed her to see again through donated eyes. Emma has some problems adapting to the new, strange and now visible world, and additional problem comes from a rare phenomena called "delayed vision" - her brain tends to receive old visual signals from her eyes. That same problem would get her in trouble when her next door neighbour gets murdered and she begins thinking that she saw the suspect. John Hallstrom (played by Aidan Quinn), detective on the case, is, of course, sceptical towards her claims, but, on the other hand, very attracted to her.
What differentiates this thriller from many others is the fact that it isn't so clearly defined in the terms of genre. BLINK mixes thriller with the elements of psychological drama, love story and comedy. Those other genre elements, although not so overwhelming, and together with urban Chicago setting, bring a breath of every day life realism into the story that would otherwise look like lifeless "high concept" product. But BLINK still has thriller credentials, and it is still a very suspenseful and exciting film. Most of the suspense comes from the fact that in many scenes the audience, same as movie's heroine, doesn't know whether to believe or not to believe the sight. Also, the movie has rather original villain with even more original agenda, and the ending is somewhat unusual for this kind of film. What makes this film ultimately work are the actors. Madeleine Stowe, one of the most remarkable actresses in modern Hollywood gave a very good performance in her role of a blind woman frightened by the new and sudden perception of world. Aidan Quinn, who used to work with Stowe in Badham's STAKEOUT, has a really good chemistry with her, and his performance of cynical yet dedicated policeman is fine too. Music by the folk band "Drovers" delivers a soundtrack which is refreshingly new for this kind of films. All in all, the video distributors didn't lie - BLINK is a very good thriller that deserves more than a glimpse from those who want originality in that genre.
RATING: 7/10 (+++)
Review written on September 19th 1999
Dragan Antulov a.k.a. Drax Fido: 2:381/100 E-mail<EMAIL_ADDRESS>E-mail<EMAIL_ADDRESS>E-mail<EMAIL_ADDRESS>The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


Select : Vehicle No Group
Vehicle/Group: Select
Start Date:
End Date:
Start Time:
End Time:
Snooze Time :
Repeat On : Mon Tue Wed Thu Fri Sat Sun
Alart Type : SMS Email


a life in weeks
What day were you born?
MONTH
DAY
YEAR
At what age should the calender end?
What?
BY LIFE EXPECTANCY (U.S. 2016)
OR
CUSTOM AGE
Week, Per Year
Year
you have lived for
000
weeks.
in
000
weeks you will turn
00
.


Try out new stuff and learn things. Whatever you do keep track of to yourself. Do checkout other components in this repository.
Try this out and make more such animations on your own. I learnt it through one of Gary Simon's youtube video.


Airbnb COO Belinda Johnson to step down
by Reuters(Reuters) - Airbnb Inc said on Friday Chief Operating Officer Belinda Johnson will step down from the role and join the board of the home rental platform.
Airbnb is expected to list its shares in 2020. (https://


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{% if condition=='departments_list' %}
Departments
{% for department in departments|sort(attribute="name") %}
- {{ department.id }}: {{ department.name }}
{% endfor %}
{% elif condition=='department_id' %}
Department: {{ department_id.name }}
Employees:
{% for employee in department_id.employees|sort(attribute="first_name") %}
- {{ employee.id }}: {{ employee.first_name + " " + employee.last_name }}
{% endfor %}
{% elif condition=='not_found' %}
Not found!
{% endif %}


Enzyme type
-
N-terminal tag
Sequence
C-terminal tag
Identifier / Accession number
NCBI UniProt
PDB
Other identifiers
Mutant of:
Notes:
Links:
Enzyme entry curated by:


Watering eyes are common and often get better on their own, but treatment may be needed if the watering affects your daily activities.
Causes of watering eyes
It's normal for your eyes to water in smoky environments or if you're outside in the cold or wind.
An eye injury or something in your eye, such as an eyelash or a piece of grit, can also make your eyes water.
Sometimes watering eyes can be caused by:
- an allergy or infection (conjunctivitis)
- blocked tear ducts (the small tubes that tears drain into)
- your eyelid drooping away from the eye (ectropion) or other eyelid problems
- dry eye syndrome – this can cause your eyes to produce too many tears
- Bell's palsy – a temporary weakness to one side of the face
- some medicines and cancer treatments
Babies often have watering eyes because their tear ducts are small. It usually gets better by the time they're 1 year old.
A pharmacist can help with watering eyes
You can ask a pharmacist about:
- what you can do to treat watering eyes yourself – such as cleaning and protecting your eyes
- what you can buy to help – such as cleaning solutions, eyedrops or allergy medicines
- if you need to see an optician or GP
Non-urgent advice: See a GP if:
- your eyes keep watering and it's stopping you doing everyday activities
- your eyelid is turning inwards or drooping away from your eye
- you have any lumps or swellings around your eyes
Coronavirus (COVID-19) update: how to contact a GP
It's still important to get help from a GP if you need it. To contact your GP surgery:
- visit their website
- use the NHS App
- call them
Urgent advice: Ask for an urgent GP appointment or get help from NHS 111 if:
- you have any changes to your vision, such as loss of vision
- you have severe eye pain
You can call 111 or get help from 111 online.
Treatment for watering eyes
Treatment may not be needed if your watering eyes are not causing problems.
If treatment is needed, it will depend on what the cause is.
For example:
- eyedrops can help if your eyes are dry
- antibiotic eyedrops can help if you have an eye infection
- medicines can help if you have an allergy
- anything in your eye, like a piece of grit, can be removed
- a small operation may be needed if you have a problem with your eyelids or you have blocked tear ducts
If the GP cannot find what's causing your eyes to water, they may refer you to an eye specialist (ophthalmologist) for tests.
Page last reviewed: 30 September 2021
Next review due: 30 September 2024


The green and red signals are displayed based upon the traffic volume. The number of vehicles are counted to display the accurate results!
This is our video when the model wasn't accurancy detecting the emergency vehicles! But almost accurately detected the general objects. An Text is displayed when a ambulance is detected successfully!
In this video the model is accurancy detecting the emergency vehicles successfully!


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Please contribute code :)
This project is actively maintained and I appreciate improvements to the code.
Contact me here or @tschellenbach
Django Facebook allows you to connect to the Facebook Open Graph API. Integrated with Django it becomes easy to setup a login/register via Facebook flow for your users.
Features
Django User Registration (Convert Facebook user data into a user model
Use Facebook data to register a user with your Django app. Facebook connect using the open graph API.
Facebook FQL access
Download the source code or use pip install django_facebook.
 You need an app to use the open graph api and make the login process work. You can create a facebook app at this url: http://www.facebook.com/developers/createapp.php
Settings
Define the following settings in your settings.py file:
FACEBOOK_API_KEY
FACEBOOK_APP_ID
FACEBOOK_APP_SECRET
Url config, context processor, auth backend
add django facebook to your installed apps
'django_facebook',
add this line to your url config
(r'^facebook/', include('django_facebook.urls')),
add this line to your context processors
'django_facebook.context_processors.facebook',
add this to your AUTHENTICATION_BACKENDS
'django_facebook.auth_backends.FacebookBackend',
Update your models
Add the following fields to your profile model:
about_me = models.TextField(blank=True, null=True)
facebook_id = models.IntegerField(blank=True, null=True)
facebook_name = models.CharField(max_length=255, blank=True, null=True)
facebook_profile_url = models.TextField(blank=True, null=True)
website_url = models.TextField(blank=True, null=True)
blog_url = models.TextField(blank=True, null=True)
image = models.ImageField(blank=True, null=True, upload_to='profile_images')
date_of_birth = models.DateField(blank=True, null=True)
raw_data = models.TextField(blank=True, null=True)
An abstract model is specified for convenience django_facebook/models.py FacebookProfileModel
Check the example
Right now you should have a working registration/connect/login in flow available at /facebook/connect/ Test if everything is working and ensure you didn’t miss a step somewhere.
Common bugs
Django Facebook expects that you are using static files in order to load the required javascript. If you are not using staticfiles you should load facebook.js provided in the static directory manually.
Another common issue are the url matching settings from Facebook. Facebook requires you to fill in a domain for your application. In order for things to work with local development you need to use the same domain. So if you production site is www.mellowmorning.com you should run your development server on something like local.mellowmorning.com in order for facebook to allow authentication.
If you encounter any difficulties please open an issue.
Customize and integrate into your site
This is the hardest step of the install. For an example you can look at connect.html in the templates directory.
First load the javascript (it loads the facebook library asynchronously). I recommend that you insert this code at the bottom of your page.

Subsequently implement a form which calls Facebook via javascript. Note that you can control which page to go to after connect using the next input field.
<form action="{% url facebook_connect %}?facebook_login=1" method="post">
Register, login or connect with facebook
<input type="hidden" value="{{ request.path }}" name="next" />
</form>
Do you also see the beauty in clean code? Are you experienced with high scalability web apps? Currently we’re looking for additional talent over at our Amsterdam office. Feel free to drop me a line at my personal email for more information: thierryschellenbach[at]gmail.com
Contents:


OBLINGER-BILLMAN
STORE IN LEWISVILLE, OHIO
History
of Oblinger-Billman Store
By
Grace Billman Stallings (deceased)
After reading the
article on the stores in Lewisville, which I was glad to get, I thought you
might like to hear about another store.
The Oblinger Store was
first owned by Mr. Packenburg, who sold to Frank and Charles Oblinger. Clem, another brother, bought Frank's
share. Later Charles became sole owner,
around Sept. 1, 1877. The old ledgers which were the charge account books, that
I have, start back to Oct. 2, 1863, and it shows It changed hands about that
date. I have all four of the old, thick, leather bound ledgers. The two-story front of the store was shipped
from Germany.
Oblinger sold one
third interest in the store to Marion Robinson, whose wife was Eunice Feiock
and one third interest to F.R. Billman. In July 1918 Mr. Robinson sold his
interest to Billman, since he entered the war.
F.R. Billman had
worked in the oil field for five years before starting to work for Mr. Oblinger
on Aug. 18, 1907. He had married Ollie Fisher on May 29, 1907. They had one
daughter.
Mr. Oblinger's store
was a general store and he also bought tobacco, and had packing houses, one of
which is still standing across the street from the former Egger's Hardware
Store. It was later sold to Mr. Egger. Before the new high school was built,
the boys played basketball games here, using gas stoves to heat the building.
In those days people would
deal at the store, using tobacco and other goods as their payment. Billman bought chickens and turkeys as did
the Feiock's store. Two weeks before
Thanksgiving and Christmas were big days for the farmers who would bring their
turkeys to the store, which were picked up by a wholesale company in
Pittsburgh.
Mr. Oblinger made his
home with Mr. and Mrs. Fred Bott who lived in the big palatial house which he
built next to the store. Mr. Oblinger was born May 19, 1848 and died Dec. 10,
1920.
Mr. Billman bought the
store in Jan., 1921. He had several
different clerks, but John Billman, his father, and Clayton English worked the
longest. English worked for 24 years
before going with Nationwide Insurance.
F. R., as he was
known, had to retire because of failing health and sold to George Radon who
took over June 1, 1953. F. R. passed away Nov. 22, 1953.
The store burned down
Sept: 7, 1956. I'm so glad Dad didn't live to see it burn, as it was hard
enough on my mother.


---
layout: base
title: Tickets
heading: Tickets
permalink: /tickets/
description: Information about buying tickets to DjangoCon US
---
{{ page.heading }}
If you are a student, unemployed, on a lower income, or feel you would benefit from a reduced-priced ticket, please pick the student/diversity rate. If your employer is paying your way then please pick the corporate rate. If you work for a small company, or the corporate rate is not reasonable for your company, then please pick the individual rate. State or government institutions and non-profit organizations should use the corporate rate if they are able.
{% comment %} Buy Tickets Now {% endcomment %}Individual: If your company has 5 or fewer employees, or if you’re purchasing your own ticket without any help from your employer.
Corporate: If your employer (with more than 5 employees) is paying for your ticket. State or government institutions and non-profit organizations should use the corporate rate if they are able.
Student/Diversity: If you’re unemployed, on a lower income, are a member of an underrepresented group, or would benefit from a lower-priced ticket for another reason. If your company is paying for your ticket, you are not eligible for this ticket type.
Tutorials (TBD): They are a separate cost from your conference ticket. You can register for a tutorial without registering for the conference itself. You must register for a specific tutorial.
Sprints (free): The ticket is free, but we ask you to register so we can buy you lunch. You do not have to register for the conference itself to register for sprints.
DjangoCon US has the following tiered refund policy:
For all dates the cutoff is on or before 5:00 PM PDT per the time stamp on DEFNA’s servers.
DjangoCon US has sold out the past two years, so buy your ticket soon!
We hope to see you in San Diego!


Comments
-
Greg Hurrell
You've already tried what I would suggest. I'm not on Mountain Lion yet, but will try upgrading this weekend. At that point I'll be able to see if I can repro and suggest/make a fix.
-
Greg Hurrell
Status changed:
- From: new
- To: open
-
Greg Hurrell
So I upgraded to Mountain Lion last night and I've had time to test out Command-T.
I installed Xcode 4.4 and the command line tools package, then checked for a newer version of MacVim. The binary version that I previously had (snapshot 64) was already the latest, so I left it as-is.
I then rebuilt Command-T, using the system Ruby, and it works fine in MacVim.
Following that I tried command-line Vim, a 7.3 build that I made from source back in August. I didn't touch it or rebuild it, but confirmed that Command-T works with it.
So everything seems to work. My best guess is that you might have RVM or rbenv in the way, which are somehow causing Vim/MacVim and Command-T to not be linked against the exact same version of Ruby. Is this the case?
-
anonymous
I get the following error when i try to use \t:
dyld: lazy symbol binding failed: Symbol not found: _rb_intern2 Referenced from: /Users/khr128/.vim/bundle/command-t/ruby/command-t/ext.bundle Expected in: flat namespace dyld: Symbol not found: _rb_intern2 Referenced from: /Users/khr128/.vim/bundle/command-t/ruby/command-t/ext.bundle Expected in: flat namespace Vim: Caught deadly signal TRAP Vim: Finished.
My ruby version is managed by rbenv:
command-t:126➫ ruby -v ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin12.0.0]
My VIM version:
:version VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Jul 29 2012 09:48:32) MacOS X (unix) version Included patches: 1-390 Compiled by<EMAIL_ADDRESS>Huge version with MacVim GUI.
-
Greg Hurrell
It looks like when you build Vim using homebrew it links again the system Ruby. You'll need to build Command-T linking against the same Ruby.
-
Greg Hurrell
Status changed:
- From: open
- To: closed
Add a comment
Comments are now closed for this issue.


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We highly appreciate your feedback and suggestions.
To report a problem or request a feature, please use the issue tracker on github.
For questions and feedback on this product you can also visit the "Whatif Alpha Forum" to participate in forum discussions about Intel® Concurrent Collections.
To stay in touch with the Intel® Concurrent Collections team and the community, we provide a email-list you can subscribe to or just watch online:
You're welcome to contribute to the development of CnC! Visit github to get the sources and to submit pull-requests.


OMDB Search Engine
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Some quick example text to build on the card title and make up the bulk of the card's content.
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Please Baby Please
From moments fussy to fond, Academy Award–nominated filmmaker Spike Lee and his wife, producer Tonya Lewis Lee, present a behind-the-scenes look at the chills, spills, and unequivocal thrills of bringing up baby!
Pepe and The Parade
Pepe wakes up energized to attend his first Hispanic Day parade. With new food to taste, music to dance to, and a parade to watch, Pepe couldn't be more excited to celebrate and share his Hispanic heritage.
Fox in Socks
This rhyming romp includes chicks with bricks, chewy blue glue, a noodle eating poodle, and so much more! Just try to keep your tongue out of trouble! Seuss piles his the energetic rhymes into a mountain of hilarity that the whole family will enjoy. Rhyming has never been this fun!
Fry Bread: A Native American Family Story
Told in lively and powerful verse by debut author Kevin Noble Maillard, Fry Bread is an evocative depiction of a modern Native American family, vibrantly illustrated by Pura Belpre Award winner and Caldecott Honoree Juana Martinez-Neal.


Reports any calls to String.startsWith() or String.endsWith() which are passed single character string literals as parameter. Such calls may be more efficiently implemented with String.charAt(). Because the performance gain is minimal, the needed extra check for non-zero length, and the negative effect on code clarity, it is recommended to do so only inside tight loops.
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“Taking an image, freezing a moment, reveals how rich reality truly is.”
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--- title: Accessing input filename in an orchestration date: '2004-12-11T15:39:00.000-05:00' author: John tags: - BizTalk modified_time: '2010-09-04T16:41:57.994-04:00' blogger_id: tag:blogger.com,1999:blog-2811308028656623966.post-1211328336495852623 blogger_orig_url: http://pragmatic-software.blogspot.com/2004/12/accessing-input-filename-in.html ---
I recently needed to access the incoming filename in an orchestration and found it difficult to find the simple answer. I found a few examples of doing so in a pipeline adapter and a couple of cryptic answers on newsgroups but nothing plain and simple. The incoming filename is made available in the message context and can be accessed via:
IncomingMsgName(FILE.ReceivedFileName)
Hope this helps somebody and saves some time.


*Supplier ID number is required
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cvpr cvpr2013 cvpr2013-312 cvpr2013-312-reference knowledge-graph by maker-knowledge-mining
Source: pdf
Author: Stefan Harmeling, Michael Hirsch, Bernhard Schölkopf
Abstract: We establish a link between Fourier optics and a recent construction from the machine learning community termed the kernel mean map. Using the Fraunhofer approximation, it identifies the kernel with the squared Fourier transform of the aperture. This allows us to use results about the invertibility of the kernel mean map to provide a statement about the invertibility of Fraunhofer diffraction, showing that imaging processes with arbitrarily small apertures can in principle be invertible, i.e., do not lose information, provided the objects to be imaged satisfy a generic condition. A real world experiment shows that we can super-resolve beyond the Rayleigh limit.


1.0.8
Export the current model to JSON.
object
:
Current model.
Predicts the output given the matrix to predict.
((Matrix | MatrixTransposeView | Array))
Array
:
predictions
Train the decision tree with the given training set and labels.
Create new Decision Tree Classifier with CART implementation with the given options
(object)
| Name | Description |
|---|---|
options.gainFunction string
(default "gini" )
|
gain function to get the best split, "gini" the only one supported. |
options.splitFunction string
(default "mean" )
|
given two integers from a split feature, get the value to split, "mean" the only one supported. |
options.minNumSamples number
(default 3 )
|
minimum number of samples to create a leaf node to decide a class. |
options.maxDepth number
(default Infinity )
|
Max depth of the tree. |
(object)
for load purposes.
Load a Decision tree classifier with the given model.
(object)
DecisionTreeClassifier
:
Create new Decision Tree Regression with CART implementation with the given options.
(object)
| Name | Description |
|---|---|
options.gainFunction string
(default "regression" )
|
gain function to get the best split, "regression" the only one supported. |
options.splitFunction string
(default "mean" )
|
given two integers from a split feature, get the value to split, "mean" the only one supported. |
options.minNumSamples number
(default 3 )
|
minimum number of samples to create a leaf node to decide a class. |
options.maxDepth number
(default Infinity )
|
Max depth of the tree. |
(object)
for load purposes.
Predicts the values given the matrix to predict.
((Matrix | MatrixTransposeView | Array))
Array
:
predictions
Export the current model to JSON.
object
:
Current model.
Train the decision tree with the given training set and values.
Load a Decision tree regression with the given model.
(object)
DecisionTreeRegression
:


--- title: Job options ---
For each download job you can set post-processing options. While the download is still in the queue, you can even change them on-the-fly.
| Download | No post processing at all. Just download all the files (including PAR2). The user has to do any post-processing. |
| +Repair | Download files and do a PAR2 verification. If the verification fails, download more PAR2 files and attempt to repair the files. |
| +Unpack | Download in repair mode and unpack any RAR and ZIP files. |
| +Delete | Download in unpack mode and delete the RAR and ZIP files that were unpacked |
Note:
Releases prior to 0.4.0 had +Script options. These have been replaced by the general scripting options.


This package uses synonyms defined by WordNet to build a
Lucene index storing them, which in turn can be used for query expansion.
You normally run {@link org.apache.lucene.wordnet.Syns2Index} once to build the query index/"database", and then call
{@link org.apache.lucene.wordnet.SynExpand#expand SynExpand.expand(...)} to expand a query.
Instructions
- Download the WordNet prolog database , gunzip, untar etc.
- Invoke Syn2Index as appropriate to build a synonym index.
It'll take 2 arguments, the path to wn_s.pl from that WordNet downlaod, and the index name.
- Update your UI so that as appropriate you call SynExpand.expand(...) to expand user queries with synonyms.


Documentation for CMS dependencies
- Pyramid - Pyramid doc home
- Deform - form generation/validation library
- Colander - schema library used with Deform
- MongoDB - a NoSQL database for collections of JSON documents
- PyMongo - Python interface to MongoDB
- ElasticSearch - fulltext indexer/search engine based on Lucene
- pyes - Python interface to ElasticSearch
Also of interest
MongoDB shell examples
# Connect to a database:
mongodb/bin/mongo cms_dev
# "Select" specific fields for all documents in the "content" collection:
db.content.find({}, {'title':1, '_object_type':1})
# "Select" the title for all documents in the "content" collection where _object_type == 'article':
db.content.find({'_object_type':'article'}, {'title':1})
ElasticSearch examples
# Search the entire "cms_dev" index for the string "example": (uses the special "_all" field)
curl -XGET http://localhost:9200/cms_dev/_search?q=example
# Search the "content" type in the "cms_dev" index for the string "example": (uses the special "_all" field)
curl -XGET http://localhost:9200/cms_dev/content/_search?q=example
# Search the "content" type in the "cms_dev" index for the string "example" in the "title" field only:
curl -XGET http://localhost:9200/cms_dev/content/_search?q=title:example
# Search the "content" type in the "cms_dev" index for documents where _object_type == 'article':
curl -XGET http://localhost:9200/cms_dev/content/_search?q=_object_type:article
# Gets the document for a specific ID:
curl -XGET http://localhost:9200/cms_dev/content/4f26f17ff7e7d94c6b000006
# Gets the mapping data for the "content" type in the "cms_dev" index:
curl -XGET http://localhost:9200/cms_dev/content/_mapping


U.K. Spending to Surge Under Labour, Javid tells Telegraph
by Madison Park(Bloomberg) -- U.K. Chancellor of the Exchequer Sajid Javid said Jeremy Corbyn, leader of the opposition Labour Party, would increase spending by 1.2 trillion pounds ($1.5 trillion) over the next five years, the Sunday Telegraph reported.
Corbyn would increase spending more than three times faster than former Prime Minister Gordon Brown, the Telegraph cited Javid as saying, adding that he called the Labour Party’s expenditure plans “truly frightening.”
Under Labour, government spending would increase 30%, compared with 10% under Brown, the Conservatives said, according to the report. The figures were drawn up by the Conservative research department in a 36-page document based on pledges made in Labour’s 2017 manifesto.
Labour’s spending plans amounted to “scrapping all funding for the NHS for the next nine years,” Javid told the Telegraph, referring to the U.K.’s universal health-care system.
The U.K. general election is set for Dec. 12.
To contact the reporter on this story: Madison Park in San Francisco at<EMAIL_ADDRESS>To contact the editors responsible for this story: Sebastian Tong at<EMAIL_ADDRESS>Linus Chua
For more articles like this, please visit us at bloomberg.com
©2019 Bloomberg L.P.


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public class DefaultTreeSelectionModel extends Object implements Cloneable, Serializable, TreeSelectionModel
resetRowSelection is called from any of the methods that update
the selected paths. If you subclass any of these methods to
filter what is allowed to be selected, be sure and message
resetRowSelection
if you do not message super.
Warning:
Serialized objects of this class will not be compatible with
future Swing releases. The current serialization support is
appropriate for short term storage or RMI between applications running
the same version of Swing. As of 1.4, support for long term storage
of all JavaBeansTM
has been added to the java.beans
package.
Please see XMLEncoder
.
JTree
| Modifier and Type | Field and Description |
|---|---|
protected SwingPropertyChangeSupport |
changeSupport
Used to messaged registered listeners.
|
protected int |
leadIndex
Index of the lead path in selection.
|
protected TreePath |
leadPath
Last path that was added.
|
protected int |
leadRow
Lead row.
|
protected EventListenerList |
listenerList
Event listener list.
|
protected DefaultListSelectionModel |
listSelectionModel
Handles maintaining the list selection model.
|
protected RowMapper |
rowMapper
Provides a row for a given path.
|
protected TreePath[] |
selection
Paths that are currently selected.
|
static String |
SELECTION_MODE_PROPERTY
Property name for selectionMode.
|
protected int |
selectionMode
Mode for the selection, will be either SINGLE_TREE_SELECTION,
CONTIGUOUS_TREE_SELECTION or DISCONTIGUOUS_TREE_SELECTION.
|
CONTIGUOUS_TREE_SELECTION, DISCONTIGUOUS_TREE_SELECTION, SINGLE_TREE_SELECTION
| Constructor and Description |
|---|
DefaultTreeSelectionModel()
Creates a new instance of DefaultTreeSelectionModel that is
empty, with a selection mode of DISCONTIGUOUS_TREE_SELECTION.
|
| Modifier and Type | Method and Description |
|---|---|
void |
addPropertyChangeListener(PropertyChangeListener listener)
Adds a PropertyChangeListener to the listener list.
|
void |
addSelectionPath(TreePath path)
Adds path to the current selection.
|
void |
addSelectionPaths(TreePath[] paths)
Adds paths to the current selection.
|
void |
addTreeSelectionListener(TreeSelectionListener x)
Adds x to the list of listeners that are notified each time the
set of selected TreePaths changes.
|
protected boolean |
arePathsContiguous(TreePath[] paths)
Returns true if the paths are contiguous,
or this object has no RowMapper.
|
protected boolean |
canPathsBeAdded(TreePath[] paths)
Used to test if a particular set of
TreePath s can
be added. |
protected boolean |
canPathsBeRemoved(TreePath[] paths)
Returns true if the paths can be removed without breaking the
continuity of the model.
|
void |
clearSelection()
Empties the current selection.
|
Object |
clone()
Returns a clone of this object with the same selection.
|
protected void |
fireValueChanged(TreeSelectionEvent e)
Notifies all listeners that are registered for
tree selection events on this object.
|
TreePath |
getLeadSelectionPath()
Returns the last path that was added.
|
int |
getLeadSelectionRow()
Returns the lead selection index.
|
<T extends EventListener> |
getListeners(Class<T> listenerType)
Returns an array of all the objects currently registered
as
FooListener s
upon this model. |
int |
getMaxSelectionRow()
Returns the largest value obtained from the RowMapper for the
current set of selected TreePaths.
|
int |
getMinSelectionRow()
Returns the smallest value obtained from the RowMapper for the
current set of selected TreePaths.
|
PropertyChangeListener[] |
getPropertyChangeListeners()
Returns an array of all the property change listeners
registered on this
DefaultTreeSelectionModel . |
RowMapper |
getRowMapper()
Returns the RowMapper instance that is able to map a TreePath to a
row.
|
int |
getSelectionCount()
Returns the number of paths that are selected.
|
int |
getSelectionMode()
Returns the selection mode, one of
SINGLE_TREE_SELECTION ,
DISCONTIGUOUS_TREE_SELECTION or
CONTIGUOUS_TREE_SELECTION . |
TreePath |
getSelectionPath()
Returns the first path in the selection.
|
TreePath[] |
getSelectionPaths()
Returns the selection.
|
int[] |
getSelectionRows()
Returns the selection in terms of rows.
|
TreeSelectionListener[] |
getTreeSelectionListeners()
Returns an array of all the tree selection listeners
registered on this model.
|
protected void |
insureRowContinuity()
Makes sure the currently selected
TreePath s are valid
for the current selection mode. |
protected void |
insureUniqueness()
This method is obsolete and its implementation is now a noop.
|
boolean |
isPathSelected(TreePath path)
Returns true if the path,
path ,
is in the current selection. |
boolean |
isRowSelected(int row)
Returns true if the row identified by
row is selected. |
boolean |
isSelectionEmpty()
Returns true if the selection is currently empty.
|
protected void |
notifyPathChange(Vector changedPaths,
TreePath oldLeadSelection)
Deprecated.
As of JDK version 1.7
|
void |
removePropertyChangeListener(PropertyChangeListener listener)
Removes a PropertyChangeListener from the listener list.
|
void |
removeSelectionPath(TreePath path)
Removes path from the selection.
|
void |
removeSelectionPaths(TreePath[] paths)
Removes paths from the selection.
|
void |
removeTreeSelectionListener(TreeSelectionListener x)
Removes x from the list of listeners that are notified each time
the set of selected TreePaths changes.
|
void |
resetRowSelection()
Updates this object's mapping from TreePath to rows.
|
void |
setRowMapper(RowMapper newMapper)
Sets the RowMapper instance.
|
void |
setSelectionMode(int mode)
Sets the selection model, which must be one of SINGLE_TREE_SELECTION,
CONTIGUOUS_TREE_SELECTION or DISCONTIGUOUS_TREE_SELECTION.
|
void |
setSelectionPath(TreePath path)
Sets the selection to path.
|
void |
setSelectionPaths(TreePath[] pPaths)
Sets the selection.
|
String |
toString()
Returns a string that displays and identifies this
object's properties.
|
protected void |
updateLeadIndex()
Updates the leadIndex instance variable.
|
public static final String SELECTION_MODE_PROPERTY
protected SwingPropertyChangeSupport changeSupport
protected TreePath[] selection
protected EventListenerList listenerList
protected transient RowMapper rowMapper
protected DefaultListSelectionModel listSelectionModel
protected int selectionMode
protected TreePath leadPath
protected int leadIndex
protected int leadRow
public DefaultTreeSelectionModel()
public void setRowMapper(RowMapper newMapper)
setRowMapper
in interface TreeSelectionModel
public RowMapper getRowMapper()
getRowMapper
in interface TreeSelectionModel
public void setSelectionMode(int mode)
DISCONTIGUOUS_TREE_SELECTION
is assumed.
This may change the selection if the current selection is not valid
for the new mode. For example, if three TreePaths are
selected when the mode is changed to SINGLE_TREE_SELECTION
,
only one TreePath will remain selected. It is up to the particular
implementation to decide what TreePath remains selected.
Setting the mode to something other than the defined types will
result in the mode becoming DISCONTIGUOUS_TREE_SELECTION
.
setSelectionMode
in interface TreeSelectionModel
public int getSelectionMode()
SINGLE_TREE_SELECTION
,
DISCONTIGUOUS_TREE_SELECTION
or
CONTIGUOUS_TREE_SELECTION
.getSelectionMode
in interface TreeSelectionModel
public void setSelectionPath(TreePath path)
path
is
null, this has the same effect as invoking clearSelection
.setSelectionPath
in interface TreeSelectionModel
path
- new path to selectpublic void setSelectionPaths(TreePath[] pPaths)
null
, or empty, the selection is cleared. If
the selection mode is SINGLE_TREE_SELECTION
, only the
first path in pPaths
is used. If the selection
mode is CONTIGUOUS_TREE_SELECTION
and the supplied paths
are not contiguous, then only the first path in pPaths
is
used. If the selection mode is
DISCONTIGUOUS_TREE_SELECTION
, then all paths are used.
All null
paths in pPaths
are ignored.
If this represents a change, all registered TreeSelectionListener
s are notified.
The lead path is set to the last unique path.
The paths returned from getSelectionPaths
are in the same
order as those supplied to this method.
setSelectionPaths
in interface TreeSelectionModel
pPaths
- the new selectionpublic void addSelectionPath(TreePath path)
path
is null.addSelectionPath
in interface TreeSelectionModel
path
- the new path to add to the current selectionpublic void addSelectionPaths(TreePath[] paths)
paths
is null.
The lead path is set to the last element in paths
.
If the selection mode is CONTIGUOUS_TREE_SELECTION
,
and adding the new paths would make the selection discontiguous.
Then two things can result: if the TreePaths in paths
are contiguous, then the selection becomes these TreePaths,
otherwise the TreePaths aren't contiguous and the selection becomes
the first TreePath in paths
.
addSelectionPaths
in interface TreeSelectionModel
paths
- the new path to add to the current selectionpublic void removeSelectionPath(TreePath path)
path
is null.removeSelectionPath
in interface TreeSelectionModel
path
- the path to remove from the selectionpublic void removeSelectionPaths(TreePath[] paths)
paths
is null.removeSelectionPaths
in interface TreeSelectionModel
paths
- the paths to remove from the selectionpublic TreePath getSelectionPath()
getSelectionPath
in interface TreeSelectionModel
public TreePath[] getSelectionPaths()
getSelectionPaths
in interface TreeSelectionModel
public int getSelectionCount()
getSelectionCount
in interface TreeSelectionModel
public boolean isPathSelected(TreePath path)
path
,
is in the current selection.isPathSelected
in interface TreeSelectionModel
public boolean isSelectionEmpty()
isSelectionEmpty
in interface TreeSelectionModel
public void clearSelection()
clearSelection
in interface TreeSelectionModel
public void addTreeSelectionListener(TreeSelectionListener x)
addTreeSelectionListener
in interface TreeSelectionModel
x
- the new listener to be addedpublic void removeTreeSelectionListener(TreeSelectionListener x)
removeTreeSelectionListener
in interface TreeSelectionModel
x
- the listener to removepublic TreeSelectionListener[] getTreeSelectionListeners()
TreeSelectionListener
s
or an empty
array if no tree selection listeners are currently registeredaddTreeSelectionListener(javax.swing.event.TreeSelectionListener)
,
removeTreeSelectionListener(javax.swing.event.TreeSelectionListener)
protected void fireValueChanged(TreeSelectionEvent e)
public <T extends EventListener> T[] getListeners(Class<T> listenerType)
FooListener
s
upon this model.
FooListener
s are registered using the
addFooListener
method.
You can specify the listenerType
argument
with a class literal,
such as
FooListener.class
.
For example, you can query a
DefaultTreeSelectionModel
m
for its tree selection listeners with the following code:
TreeSelectionListener[] tsls = (TreeSelectionListener[])(m.getListeners(TreeSelectionListener.class));If no such listeners exist, this method returns an empty array.
listenerType
- the type of listeners requested; this parameter
should specify an interface that descends from
java.util.EventListener
FooListener
s on this component,
or an empty array if no such
listeners have been addedClassCastException
- if listenerType
doesn't specify a class or interface that implements
java.util.EventListener
getTreeSelectionListeners()
,
getPropertyChangeListeners()
public int[] getSelectionRows()
TreePath
s
returned from getSelectionPaths
and this method. In
particular, if a TreePath
is not viewable (the RowMapper
returns -1
for the row corresponding to the
TreePath
), then the corresponding row is not included
in the returned array. For example, if the selection consists
of two paths, A
and B
, with A
at row
10
, and B
not currently viewable, then this method
returns an array with the single entry 10
.getSelectionRows
in interface TreeSelectionModel
public int getMinSelectionRow()
getMinSelectionRow
in interface TreeSelectionModel
public int getMaxSelectionRow()
getMaxSelectionRow
in interface TreeSelectionModel
public boolean isRowSelected(int row)
row
is selected.isRowSelected
in interface TreeSelectionModel
public void resetRowSelection()
You do not normally have to call this, JTree and its associated Listeners will invoke this for you. If you are implementing your own View class, then you will have to invoke this.
This will invoke insureRowContinuity
to make sure
the currently selected TreePaths are still valid based on the
selection mode.
resetRowSelection
in interface TreeSelectionModel
public int getLeadSelectionRow()
getLeadSelectionRow
in interface TreeSelectionModel
public TreePath getLeadSelectionPath()
getLeadSelectionPath
in interface TreeSelectionModel
public void addPropertyChangeListener(PropertyChangeListener listener)
A PropertyChangeEvent will get fired when the selection mode changes.
addPropertyChangeListener
in interface TreeSelectionModel
listener
- the PropertyChangeListener to be addedpublic void removePropertyChangeListener(PropertyChangeListener listener)
removePropertyChangeListener
in interface TreeSelectionModel
listener
- the PropertyChangeListener to be removedpublic PropertyChangeListener[] getPropertyChangeListeners()
DefaultTreeSelectionModel
.PropertyChangeListener
s
or an empty
array if no property change listeners are currently registeredaddPropertyChangeListener(java.beans.PropertyChangeListener)
,
removePropertyChangeListener(java.beans.PropertyChangeListener)
protected void insureRowContinuity()
TreePath
s are valid
for the current selection mode.
If the selection mode is CONTIGUOUS_TREE_SELECTION
and a RowMapper
exists, this will make sure all
the rows are contiguous, that is, when sorted all the rows are
in order with no gaps.
If the selection isn't contiguous, the selection is
reset to contain the first set, when sorted, of contiguous rows.
If the selection mode is SINGLE_TREE_SELECTION
and
more than one TreePath is selected, the selection is reset to
contain the first path currently selected.
protected boolean arePathsContiguous(TreePath[] paths)
protected boolean canPathsBeAdded(TreePath[] paths)
TreePath
s can
be added. This will return true if paths
is null (or
empty), or this object has no RowMapper, or nothing is currently selected,
or the selection mode is DISCONTIGUOUS_TREE_SELECTION
, or
adding the paths to the current selection still results in a
contiguous set of TreePath
s.protected boolean canPathsBeRemoved(TreePath[] paths)
@Deprecated protected void notifyPathChange(Vector changedPaths, TreePath oldLeadSelection)
protected void updateLeadIndex()
protected void insureUniqueness()
public String toString()
public Object clone() throws CloneNotSupportedException
clone
in class Object
CloneNotSupportedException
- never thrown by instances of
this classCloneable
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2015, Oracle and/or its affiliates. All rights reserved.


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For our example above, since the population number has 9 significant digits, and the CO2 emissions only has 4, we will round to 4 decimal places and say that the emissions per person is \(19.98\) metric tons per person. Compare this to what we do when we subtract.
in-context


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I'm a recent graduate of the University of Pennsylvania where I completed degrees in Finance at Wharton and Computer Science at the School of Engineering. Pursuing both degrees simultaneously allowed me to synthesize my passion for both business and technology, which I hope to continue to do in my career as a product manager at Google!
CIS 110 is the introductory programming course at Penn. I served a as head TA for 5 semesters and was responsible for hiring and managing our course staff of ~50 TAs, developing course materials such homeworks and exams, working on the course infrastructure, and augmenting the student experience by implementing new ideas such as weekly review sessions. I also assumed the responsibilites of a regular TA as well.
I worked as a product management intern on Google's Dynamic Search Ads, an automated advertising product that leverages machine learning in order to automatically generate ad headlines and target relevant queries based on an advertisers website. I worked on a variety of projects over my 12 weeks at Google including the proposal of two new features, two A/B tests to evaluate if a modified UI would improve engagement, and the development of a stategic priotized roadmap for the second half of the year.
I worked on the middle office technology team where I developed an end-to-end full stack dynamic single page web application to help managers audit and edit application permissions for their direct reports. I used a variety of technologies including HTML, CSS, and AngularJS on the front end, C# and ASP.NET for the API, and PL/SQL for database management.
CIS 110 is the introductory programming course at Penn. As a TA, I was responsible for teaching a weekly recitation to 10-20 students, holding office hours, monitoring our online Q&A forum, and grading student assignments. I also took it upon myself to create a set of powerpoint slides to accompany our recitations, which became part of our standard course materials and led to me being promoted to head TA.


Crush The Castle
If it dosen't work then in next to the star to bookmark stuff there is a button on the left of it click that then click load unsafe scripts