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What is the difference between printf() and puts() in C?
I know you can print with printf() and puts() . I can also see that printf() allows you to interpolate variables and do formatting.
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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
Looking for quick, simple way in Java to change this string
29 Answers
29
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Mercurial for Beginners: The Definitive Practical Guide
...e laid out according to the convention of trunk/branches/tags.
The command set is typically hg svn <subcommand> though it aims at being integrated to the point that you don't need the 'svn' part (i.e. it wants to treat a Subversion clone as much as possible like any other Mercurial repository)...
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
I prefer to use OOP in large scale projects like the one I'm working on right now. I need to create several classes in JavaScript but, if I'm not mistaken, there are at least a couple of ways to go about doing that. What would be the syntax and why would it be done in that way?
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What's the difference between isset() and array_key_exists()? [duplicate]
...key_exists will definitely tell you if a key exists in an array, whereas isset will only return true if the key/variable exists and is not null.
$a = array('key1' => 'フーバー', 'key2' => null);
isset($a['key1']); // true
array_key_exists('key1', $a); // true
isset($a['key2...
how to check the dtype of a column in python pandas
I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb:
6 Answer...
How do I open the SearchView programmatically?
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Expand the SearchView with
searchView.setIconified(false);
and collapse it with
searchView.setIconified(true);
You need to change the value of android:showAsAction from ifRoom|collapseActionView to always. The SearchView's attribute android:iconifiedByDefaul...
What is the difference between _tmain() and main() in C++?
...it easier to switch between Unicode (UTF-16) and their multibyte character set, they've defined _tmain which, if Unicode is enabled, is compiled as wmain, and otherwise as main.
As for the second part of your question, the first part of the puzzle is that your main function is wrong. wmain should t...
Windows batch files: .bat vs .cmd?
...s CMD.EXE is concerned
are: With extensions enabled, PATH/APPEND/PROMPT/SET/ASSOC in .CMD
files will set ERRORLEVEL regardless of error. .BAT sets ERRORLEVEL
only on errors.
In other words, if ERRORLEVEL is set to non-0 and then you run one of those commands, the resulting ERRORLEVEL will...
Clean ways to write multiple 'for' loops
For an array with multiple dimensions, we usually need to write a for loop for each of its dimensions. For example:
16 An...