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How do I compile and run a program in Java on my Mac?
... produce a single file, called "HelloWorld.class". This file contains Java byte codes, which are the instructions that the Java Virtual Machine understands.
Running Your Program
To run the program, type the following command in the terminal.
java HelloWorld
This command will start a Java Virtua...
Difference between size_t and unsigned int?
...xample of size_t and its brief working ?
I don't quite get what you mean by "its brief working". It works like any other unsigned type (in particular, like the type it's typedeffed to). You are encouraged to use size_t when you are describing the size of an object. In particular, the sizeof operat...
Gitignore not working
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Sorry Ahmed I fixed my issue by deleting the gitignore file and pulling and pushing again to the remote repo. I no longer remember what it said when I type git status. My issue is fixed. Thanks a lot.
– Dr. Younes Henni
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Do regular expressions from the re module support word boundaries (\b)?
...ar")
fobar
So the pattern "\btwo\b" is looking for a backspace, followed by two, followed by another backspace, which the string you're searching in (x = 'one two three') doesn't have.
To allow re.search (or compile) to interpret the sequence \b as a word boundary, either escape the backslashes (...
How to prevent the activity from loading twice on pressing the button
...e() {
super.onResume();
Button button1 = (Button) findViewById(R.id.button1);
button1.setEnabled(true);
}
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How to handle many-to-many relationships in a RESTful API?
...you can return documents that describe the relationships between resources by encoding those relationships as links. Thus, a team can be said to have a document resource (/team/{id}/players) that is a list of links to players (/player/{id}) on the team, and a player can have a document resource (/pl...
Select all text inside EditText when it gets focus
...work, if in the EditText xml there is a </requestFocus> tag inserted by the UI builder.
– machtnix
Jul 2 '13 at 20:51
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vim command to restructure/force text to 80 columns
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By the way, what exactly does q by itself?
– Richard-Degenne
Dec 6 '14 at 18:25
1
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How to use “not” in xpath?
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None of these answers worked for me for python. I solved by this
a[not(@id='XX')]
Also you can use or condition in your xpath by | operator. Such as
a[not(@id='XX')]|a[not(@class='YY')]
Sometimes we want element which has no class. So you can do like
a[not(@class)]
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How to make input type= file Should accept only pdf and xls
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You could do so by using the attribute accept and adding allowed mime-types to it. But not all browsers do respect that attribute and it could easily be removed via some code inspector. So in either case you need to check the file type on th...