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What is the proper way to test if a parameter is empty in a batch file?
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if "!param1!"=="" ( echo it is empty )
rem ... or use the DEFINED keyword now
if defined param1 echo There is something
The advantage of this is that dealing with param1 is absolutly safe.
And the setting of param1 will work in many cases, like
test.bat hello"this is"a"test
test.bat you^&...
Insert auto increment primary key to existing table
...ng to alter a table which has no primary key nor auto_increment column. I know how to add an primary key column but I was wondering if it's possible to insert data into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). A...
Is there a point to minifying PHP?
I know you can minify PHP, but I'm wondering if there is any point. PHP is an interpreted language so will run a little slower than a compiled language. My question is: would clients see a visible speed improvement in page loads and such if I were to minify my PHP?
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Properties file in python (similar to Java Properties)
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Since nowhere here it is mentioned, let me add again that this is not the same. I cant speak for Java or Py3, and maybe it works for simple key/values. But the syntax for string interpolation is different. This solution provides P...
How to make a button redirect to another page using jQuery or just Javascript
...ince it will be a proper search form eventually you should do it like that now if possible.
– DisgruntledGoat
Feb 10 '10 at 16:41
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npm can't find package.json
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@elangovan Link now seems to fail to resolve for me.
– iokevins
Mar 31 '18 at 22:14
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Determine the number of lines within a text file
... rather than greedily reading them all into an array like ReadAllLines. So now you can have both efficiency and conciseness with:
var lineCount = File.ReadLines(@"C:\file.txt").Count();
Original Answer
If you're not too bothered about efficiency, you can simply write:
var lineCount = File.Rea...
Can I use CoffeeScript instead of JS for node.js?
...r to your app and you can start treating coffee files and js files equally now (meaning that you can require coffee files too !).
This method will require you to write just the one file (app.js) in vanilla javascript. But the advantage is that your deploy environment need not have coffeescript as ...
The model backing the context has changed since the database was created
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Now it's:
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
Database.SetInitializer<YourDbContext>(null);
base.OnModelCreating(modelBuilder);
}
in your YourDbContext.cs file.
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How to fix .pch file missing on build?
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I didn't know stdafx.cpp should have different setting. Great answer.
– expert
Nov 9 '12 at 23:22
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