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How do I check two or more conditions in one ?
... imageUploader: {
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How to download a file with Node.js (without using third-party libraries)?
...rrors, it's even better listening to request errors too. I'd even validate by checking response code. Here it's considered success only for 200 response code, but other codes might be good.
const fs = require('fs');
const http = require('http');
const download = (url, dest, cb) => {
const ...
How to revert multiple git commits?
...s a different commit (commit message, parents, commit date).
The solution by Jeff Ferland, modified by Charles Bailey builds upon the same idea, but uses git reset:
$ git reset --hard A
$ git reset --soft @{1} # (or ORIG_HEAD), which is D
$ git commit
...
puts vs logger in rails rake tasks
...
Rake tasks are run by a user, on a command-line. Anything they need to know right away ("processed 5 rows") should be output on the terminal with puts.
Anything that needs to be kept for posterity ("sent warning email to jsmith@example.com") s...
How to get the clicked link's href with jquery?
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Can't find the 'libpq-fe.h header when trying to install pg gem
I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
...
How to use mod operator in bash?
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Static variables in member functions
...taticVariable()
{
static int staticVar = 0; //staticVar is initialised by 0 the first time
cout<<"Variable Value : "<<staticVar<<endl;
staticVar++;
}
void CVariableTesting::FuncWithAutoVariable()
{
int autoVar = 0;
cout<<"Variable Value : "<<autoVar&...
How to configure slf4j-simple
...
You can programatically change it by setting the system property:
public class App {
public static void main(String[] args) {
System.setProperty(org.slf4j.impl.SimpleLogger.DEFAULT_LOG_LEVEL_KEY, "TRACE");
final org.slf4j.Logger log = ...
Excel “External table is not in the expected format.”
...
Just add my case. My xls file was created by a data export function from a website, the file extention is xls, it can be normally opened by MS Excel 2003. But both Microsoft.Jet.OLEDB.4.0 and Microsoft.ACE.OLEDB.12.0 got an "External table is not in the expected form...