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How do you know a variable type in java?
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I just figured that was what the OP was really looking for since the declaration of a is pretty obvious at compile time
– Martin
Apr 20 '10 at 11:22
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Function of Project > Clean in Eclipse
...ssarily work either, especially if there are a lot of files missing. This happens to me rather often when I check out a branch of code that has had a lot of changes since the last time I built it. In that case, the only recourse I've found is to start a brand new workspace and reload the project fro...
Regex (grep) for multi-line search needed [duplicate]
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Without the need to install the grep variant pcregrep, you can do multiline search with grep.
$ grep -Pzo "(?s)^(\s*)\N*main.*?{.*?^\1}" *.c
Explanation:
-P activate perl-regexp for grep (a powerful extension of regular expressions)
-z suppress...
Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
... hash of last commit. Checkout the branch you wish to be at, and git merge _hash_
– Daniel
May 31 '12 at 13:31
BE REAL...
SOAP server and client application VCL+indy demo for Delphi XE?
...The basic problems with the demo from the 2007 era are two:
The WAD (web app debugger) is gone. you have to make a new server using the Indy server, for optimal demo purposes, saving you from using WAD (which is gone) or setting up ISAPI environment, under IIS, which is hardly ideal for demo purpo...
Collections.emptyList() vs. new instance
...ntly.
In addition, emptyList() might not create a new object with each call.
Implementations of this method need not create a separate List object for each call. Using this method is likely to have comparable cost to using the like-named field. (Unlike this method, the field does not provide ...
More elegant “ps aux | grep -v grep”
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brilliant hack (I think I should call it that, since the aux / grep authors probably did not think of this scenario.)
– Michael Trouw
Apr 12 '16 at 14:12
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DataContractSerializer doesn't call my constructor?
...sible : when deserializing an object, the DataContractSerializer doesn't call the constructor !
4 Answers
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How to Store Historical Data
...current, active record. So, let's say I have table FOO. Under my system, all active records will go in FOO, and all historical records will go in FOO_Hist. Many different fields in FOO can be updated by the user, so I want to keep an accurate account of everything updated. FOO_Hist holds the exa...
Equivalent of *Nix 'which' command in PowerShell?
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Is there any way to have the path all the time without to type '| Format-Table Path, Name' ?
– Guillaume
Jan 11 '13 at 8:18
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