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How to use “raise” keyword in Python [duplicate]

...dler, so that it can be handled further up the call stack. try: generate_exception() except SomeException as e: if not can_handle(e): raise handle_exception(e) share | improve this answe...
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Hibernate show real SQL [duplicate]

...logger.org.hibernate.type=TRACE The first is equivalent to hibernate.show_sql=true, the second prints the bound parameters among other things. Reference Hibernate 3.5 Core Documentation 3.5. Logging Hibernate 4.1 Core Documentation 4.1. Logging ...
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FileSystemWatcher Changed event is raised twice

...e "fixed" that problem using the following strategy in my delegate: // fsw_ is the FileSystemWatcher instance used by my application. private void OnDirectoryChanged(...) { try { fsw_.EnableRaisingEvents = false; /* do my stuff once asynchronously */ } finally { ...
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Convert an NSURL to an NSString

...[myURL absoluteString]; But I had met this error and xcode was crashed. -[__NSCFString absoluteString]: unrecognized selector sent to instance 0x791a18e0 – Võ Mai Trinh Jun 22 '15 at 9:39 ...
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Commonly accepted best practices around code organization in JavaScript [closed]

...z describes here helps me a lot. var DED = (function() { var private_var; function private_method() { // do stuff here } return { method_1 : function() { // do stuff here }, method_2 : function() { ...
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ipython: print complete history (not just current session)

... First use %hist -o -g -f ipython_history.md to output the history (input and output) to a text file. (http://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-history) Then you can use the the get_session_info function to retreive the date and...
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How to list all users in a Linux group?

...rs; my $usertext = `getent passwd`; my @users = $usertext =~ /^([a-zA-Z0-9_-]+):/gm; foreach my $userid (@users) { my $usergrouptext = `id -Gn $userid`; my @grouplist = split(' ',$usergrouptext); foreach my $group (@grouplist) { $groupmembers{$group}->{$userid} = 1; ...
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?

.... instead of doing something like mongooseInstace.model('MyCollection', { "_id": Number, "xyz": String }) it's better to do (even though the collection name is really MyCollection): mongooseInstace.model('mycollection', { "_id": Number, "xyz": String }) But honestly, it's really useful. The bigges...
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Parsing a string into a boolean value in PHP

... There is a native PHP method of doing this which uses PHP's filter_var method: $bool = filter_var($value, FILTER_VALIDATE_BOOLEAN); According to PHP's manual: Returns TRUE for "1", "true", "on" and "yes". Returns FALSE otherwise. If FILTER_NULL_ON_FAILURE is set, FALSE is return...
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Define variable to use with IN operator (T-SQL)

...T @sql = 'SELECT * FROM myTable WHERE myColumn in (' + @list + ')' exec sp_executeSQL @sql 3) A possible third option is table variables. If you have SQl Server 2005 you can use a table variable. If your on Sql Server 2008 you can even pass whole table variables in as a parameter to stored proced...