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How can I install an older version of a package via NuGet?
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580
Try the following:
Uninstall-Package Newtonsoft.Json -Force
Followed by:
Install-Package Newton...
How to serve an image using nodejs
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2016 Update
Examples with Express and without Express that actually work
This question is over 5 years old but every answer has some problems.
TL;DR
Scroll down for examples to serve an image with:
express.static
express...
How do I get the picture size with PIL?
...emuephimuemue
28.6k88 gold badges6969 silver badges108108 bronze badges
9
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Is it good practice to NULL a pointer after deleting it?
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Setting a pointer to 0 (which is "null" in standard C++, the NULL define from C is somewhat different) avoids crashes on double deletes.
Consider the following:
Foo* foo = 0; // Sets the pointer to 0 (C++ NULL)
delete foo; // Won't do anything
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Javascript Regex: How to put a variable inside a regular expression?
...licious content (e.g. the variable comes from user input)
ES6 Update
In 2019, this would usually be written using a template string, and the above code has been updated. The original answer was:
var regex = new RegExp("ReGeX" + testVar + "ReGeX");
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string.replace(regex, "replacement");
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How do I pause my shell script for a second before continuing?
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10 Answers
10
Active
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Writing data into CSV file in C#
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var csv = new StringBuilder();
//in your loop
var first = reader[0].ToString();
var second = image.ToString();
//Suggestion made by KyleMit
var newLine = string.Format("{0},{1}", first, second);
csv.AppendLine(newLine);
//after your loop
File.WriteAllText(filePath, c...
Converting BigDecimal to Integer
...il Bourque
186k5757 gold badges571571 silver badges804804 bronze badges
answered Oct 28 '10 at 14:01
willcodejavaforfoodwillcodejavaforfood
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Qt: can't find -lGL error
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edited Jul 30 '18 at 14:05
Rando Hinn
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answered A...
How to pass all arguments passed to my bash script to a function of mine? [duplicate]
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1062
The $@ variable expands to all command-line parameters separated by spaces. Here is an exampl...