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How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
...answered Jul 12 '10 at 15:08
David EspartDavid Espart
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How to export collection to CSV in MongoDB?
...oDB issue tracker https://jira.mongodb.org/browse/SERVER-4224 you MUST provide the fields when exporting to a csv. The docs are not clear on it. That is the reason for the error.
Try this:
mongoexport --host localhost --db dbname --collection name --csv --out text.csv --fields firstName,middleName...
Python append() vs. + operator on lists, why do these give different results?
...rator + is a binary infix operator which, when applied to lists, returns a new list containing all the elements of each of its two operands. The list.append() method is a mutator on list which appends its single object argument (in your specific example the list c) to the subject list. In your examp...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
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For those new to bash, the two calculations in the example here are sleep 20 && true and sleep 20 && false -- ie: replace those with your function(s). To understand && and ||, run man bash and type '/' (search) ...
Application auto build versioning
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working example with new 1.5 syntax for adding the buildtime variable go build -ldflags "-X 'main.buildtime=$(date -u '+%Y-%m-%d %H:%M:%S')'"
– xorpaul
Oct 26 '15 at 16:17
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What are all the possible values for HTTP “Content-Type” header?
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It has been obsoleted and replaced by newer documents multiple times. What's relevant is what <greenbytes.de/tech/webdav/…> (plus the referenced documents) have to say.
– Julian Reschke
May 18 '14 at 14:08
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How to prevent robots from automatically filling up a form?
... page, wait before the page is fully loaded, scroll down, read content, decide wether to comment/fill in the form, require time to fill in the form, and submit.
The difference in time can be subtle; and how to track this time without cookies requires some way of server-side database. This may be an...
What is the _snowman param in Ruby on Rails 3 forms for?
... The quotation says “IE5+”, so maybe the problem occurs in newer IE versions, too?
– Philipp
Jul 11 '10 at 8:24
5
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C++ Structure Initialization
...o go back to this code and look for the exact spot in which to insert your new initialization, which is hard and boring. With the dot notation, you can simply put your new initialization at the end of the list without bothering with the order. And dot notation is way safer if you happen to add the s...
How can I be notified when an element is added to the page?
...tinuously check for them.
function checkDOMChange()
{
// check for any new element being inserted here,
// or a particular node being modified
// call the function again after 100 milliseconds
setTimeout( checkDOMChange, 100 );
}
Once this function is called, it will run every 100 ...