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What does the regular expression /_/g mean?
...egex matches the _ character.
The g means Global, and causes the replace call to replace all matches, not just the first one.
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How to define servlet filter order of execution using annotations in WAR
...ation. However, to minimize the web.xml usage, it's sufficient to annotate all filters with just a filterName so that you don't need the <filter> definition, but just a <filter-mapping> definition in the desired order.
For example,
@WebFilter(filterName="filter1")
public class Filter1 ...
Get source JARs from Maven repository
...e" afterwards and then refresh your project in eclipse--saves you from manually attaching sources to each file.
– unigeek
Apr 3 '14 at 15:06
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How does Apple find dates, times and addresses in emails?
...ay be wrong). On the other hand I'd except the naiive approach of encoding all common formats to perform way better (possibly 0.99+ given that the most frequent formats will never be missed) and to be faster to implement + at runtime.
– b.buchhold
Feb 25 '12 at...
Choosing between MEF and MAF (System.AddIn)
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one small thing: please remember that 'separate appdomain' does NOT help you if your addon crashes in a native layer, for that you will still need worker processes. MAF helps somewhat with creating them, but dynamically recovering ...
How do you delete a column by name in data.table?
...hod 3 (could then assign to df3,
df3[, !"foo"]
though if you were actually wanting to remove column "foo" from df3 (as opposed to just printing a view of df3 minus column "foo") you'd really want to use Method 1 instead.
(Do note that if you use a method relying on grep() or grepl(), you need ...
How much is the overhead of smart pointers compared to normal pointers in C++?
..._ptr always has memory overhead for reference counter, though it is very small.
std::unique_ptr has time overhead only during constructor (if it has to copy the provided deleter and/or null-initialize the pointer) and during destructor (to destroy the owned object).
std::shared_ptr has time overhe...
How to use 'find' to search for files created on a specific date? [closed]
...nted out by Max, you can't, but checking files modified or accessed is not all that hard. I wrote a tutorial about this, as late as today. The essence of which is to use -newerXY and ! -newerXY:
Example: To find all files modified on the 7th of June, 2007:
$ find . -type f -newermt 2007-06-07 ! -...
Script entire database SQL-Server
Is there a way I can get a scripting of all tables, procs, and other objects from a database? I know there's an option to script the database but it only gave me some sort of top level script, certainly not a script to create all tables, procs, udfs, .etc.
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How to close TCP and UDP ports via windows command line
...t the remote machine, the network card, the network cable, and your OS can all cause the socket to close.
Consider also that Fiddler and Desktop VPN software can insert themselves into the network stack and show you all your traffic or reroute all your traffic.
So all you really need is either fo...