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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^&...
Creating an object: with or without `new` [duplicate]
...stroy it explicitly using the keyword delete;
Creating arrays with a size known only at runtime, since the object creation occurs at runtime. (I won't go into the specifics of allocating dynamic arrays here.)
Neither is preferred; it depends on what you're doing as to which is most appropriate.
U...
Functional design patterns [closed]
... etc. They are documented in different articles but unfortunately I don't know any book or article where they're summarized in one place (there is Typeclassopedia but it has a lot of areas that aren't covered well). Can anyone recommend an article/book which covers them well in one place and which...
Use Font Awesome icon as CSS content
...u can read the rest of the answer below to understand how it works and to know some workarounds for spacing between icon and the text.
FontAwesome 4 and below
That's the wrong way to use it. Open the font awesome style sheet, go to the class of the font you want to use say fa-phone, copy the con...
onBitmapLoaded of Target object not called on first load
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I have now installed okHttp, it's a bit faster to load but I still have the same problem at the first launch. Any ideas ?
– psv
Jul 29 '14 at 16:09
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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...
Is it possible to add dynamically named properties to JavaScript object?
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@thedz: data.PropertyD needs to know the property name, which isn't dynamic enough.
– Georg Schölly
Jul 26 '09 at 9:54
7
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What is the difference between a JavaBean and a POJO?
...e books, they use JavaBean and POJO as an interchangeable term. I want to know if there is a difference, not just in the Hibernate context, but as general concepts.
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angular ng-bind-html and directive within it
... Thanks for your directive it fixed the problems I was having. Now the angular code gets compiled but too many times. A ng-repeat with 3 object turns into the same values just 3x each. Whats going wrong here?
– Jason
Dec 5 '16 at 11:47
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How can I get the list of a columns in a table for a SQLite database?
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Great! Now how is this done from outside the command line? How is this done from within my own C program?
– Aaron Bratcher
Sep 27 '13 at 13:56
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