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Make Vim show ALL white spaces as a character
...l, in combination with
:set listchars=...
display invisible characters.
Now, there isn't an explicit option which you can use to show whitespace, but in listchars, you could set a character to show for everything BUT whitespace. For example, mine looks like this
:set listchars=eol:$,tab:>-,tr...
Git commit with no commit message
...essages that I have written that will never ever be read by anyone. For me now the value of this habit is that it forces me to look through the changes in an attempt to describe them, and this sometimes makes me notice bugs. You are right, though. I'll consider paying more attention to the code and ...
How do I know that the UICollectionView has been loaded completely?
...UICollectionView's datasource / layout methods should be called. How do I know that?? Is there any delegate method to know UICollectionView loaded status?
...
MySQL SELECT only not null values
...uld use IS NOT NULL. (The comparison operators = and <> both give UNKNOWN with NULL on either side of the expression.)
SELECT *
FROM table
WHERE YourColumn IS NOT NULL;
Just for completeness I'll mention that in MySQL you can also negate the null safe equality operator but this is not sta...
How to disable all caps menu titles in Visual Studio
...he notification from Brian Harry of Microsoft:
Mixed Case Menus – I know I’m going to get some feedback on this one :) This is a long standing request by a vocal portion of the VS user base since VS 2012 to change the “ALL CAPS” menus. In VS 2013 Update 3, we have added a Tools –>...
How to detect if a function is called as constructor?
...
NOTE: This is now possible in ES2015 and later. See Daniel Weiner's answer.
I don't think what you want is possible [prior to ES2015]. There simply isn't enough information available within the function to make a reliable inference.
Look...
Heroku/GoDaddy: send naked domain to www [closed]
...veryone leave godaddy for more than one reason. NameCheap.com is who I use now. They are great, and they support what I was trying to do. Also, NameCheap accepts bitcoin.
– Matt
Jan 1 '14 at 19:13
...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...+ _) // invalid, A* vararg parameter
However, there’s more you need to know to better grasp these rules.
Increased compile checking with parens
The authors of Spray recommend round parens because they give increased compile checking. This is especially important for DSLs like Spray. By using pa...
Can lambda functions be templated?
... the standard draft.
UPDATE 2014: C++14 has been released this year and now provides Polymorphic lambdas with the same syntax as in this example. Some major compilers already implement it.
At it stands (in C++11), sadly no. Polymorphic lambdas would be excellent in terms of flexibility and pow...
Android Bitmap to Base64 String
...Stream is = new Base64InputStream( new FileInputStream(yourFileHere) );
//Now that we have the InputStream, we can read it and put it into the String
final StringWriter writer = new StringWriter();
IOUtils.copy(is , writer, encoding);
final String yourBase64String = writer.toString();
As you can ...