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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]
...mance of my code so I stored the start and end time using System.DateTime.Now . I took the difference between the two as the time my code to execute.
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Visual Studio or Resharper functionality for placement of using directives
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UPDATE - ReSharper 2016.1: This option is now moved to Code Editing → C# → Code Style → Add 'using' directive to the deepest scope
Have you tried the ReSharper option:
Languages → C# → Formatting Style → Namespace Imports → Add using directive to the ...
Commands out of sync; you can't run this command now
...ysqli, and get the error "Commands out of sync; you can't run this command now".
20 Answers
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I lost my .keystore file?
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Now it is possible don't worry, here is the full and final steps to reset .JKS file.
Step-1
Download the UPLOAD CERTIFICATE (file name - upload_cert.der) from your Google Play Store Console
Step-2
Go to this LINK http...
What is move semantics?
...f the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly?
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Can I set background image and opacity in the same property?
...big problem with a PNG is the size. It is likely going to be really large. Now that we can specify opacity: ... in all browsers, it way better!
– Alexis Wilke
Jul 1 '17 at 23:49
1
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Why use non-member begin and end functions in C++11?
...;
// etc
private:
SpecialArray *parray;
int index;
// etc
};
now i and e can be legally used for iteration and accessing of values of SpecialArray
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Check time difference in Javascript
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I never know if dates in this format will be parsed as d/m/y or m/d/y. The official formats accepted are here (whatever Date.parse() accepts is valid), developer.mozilla.org/en/JavaScript/Reference/Global_Objects/…
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Can I export a variable to the environment from a bash script without sourcing it?
... is to source the variable:
. ./export.bash
or
source ./export.bash
Now when echoing from main shell it works
echo $VAR
HELLO, VARABLE
We will now reset VAR
export VAR=""
echo $VAR
Now we will execute a script to source the variable then unset it :
./test-export.sh
HELLO, VARABLE
--
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Get yesterday's date using Date [duplicate]
...There has been recent improvements in datetime API with JSR-310.
Instant now = Instant.now();
Instant yesterday = now.minus(1, ChronoUnit.DAYS);
System.out.println(now);
System.out.println(yesterday);
https://ideone.com/91M1eU
Outdated answer
You are subtracting the wrong number:
Use Calendar...