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Is there a short cut for going back to the beginning of a file by vi editor?
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Well, you have [[ and ]] to go to the start and end of file. This works in vi.
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/
... this is a pretty portable):
@if (@X)==(@Y) @end /****** silent line that start JScript comment ******
@echo off
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::: Compile the script ::::
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setlocal
if exist "%~n0.exe" goto :skip_compilation
set "frm=%SystemRoot%...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
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Correct your Code like this:
try
{ //method try starts
String sql = "INSERT into TblName (col1, col2) VALUES(?, ?)";
pStmt = obj.getConnection().prepareStatement(sql);
pStmt.setLong(1, subscriberID);
for (String language : additionalLangs) {
pStmt.setInt(2, I...
Where are the PostgreSQL logs on macOS?
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This doesn't work if your database failed to start and you don't know where the log files are yet.
– Iain Samuel McLean Elder
Sep 26 '13 at 15:42
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OO Design in Rails: Where to put stuff
...xcise everything from their controllers and throw it into the model, which starts to become a new trash can for application logic.
Skinny controllers are, in fact, a good idea, but the corollary--putting everything in the model, isn't really the best plan.
In Ruby, you have a couple of good option...
What is the equivalent of bigint in C#?
... my bigint primary key, and I get a cast error using long - that was why I started this search. The correct answer, at least in my case, is that the type returned by that select is NUMERIC which equates to a decimal type. Using a long will cause a cast exception.
This is one reason to check your ans...
Benchmarking (python vs. c++ using BLAS) and (numpy)
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Your CalcTime function in C++ seems to have a sign error. ... + ((double)start.tv_usec)) should be instead ... - ((double)start.tv_usec)). Perhaps your benchmark also has other bugs, e.g., comparing between different BLAS libraries, or different BLAS settings such as number of threads, or between ...
How to import multiple .csv files at once?
... string that matches headers and only headers (ie suppose header lines all start with "Age"), you'd do:
cat *.csv | grep -v ^Age > all.csv
I think in Windows you could do this with COPY and SEARCH (or FIND or something) from the DOS command box, but why not install cygwin and get the power of ...
Good open source django project for learning [closed]
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django-basic-apps is also a very good start to learn django and reusable apps. These apps are simple enough and code is well written.
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Batch script to delete files
...s the variable saved with your old path and goes back to the directory you started the batch with, its not important if you don't want the batch going back to its previous directory path, and like stated before the variable name can be changed to whatever you wish by changing the set olddir=%CD% lin...