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How to read json file into java with simple JSON library
...Byte(arr.getJSONObject(i).getString("years_in_company"));
if (position.compareToIgnoreCase("manager") == 0){
result.add(new Manager(name, salary, position, years_in_company));
}
else{
result.add(new OrdinaryEmpl...
Using grep to search for a string that has a dot in it
...
grep uses regexes; . means "any character" in a regex. If you want a literal string, use grep -F, fgrep, or escape the . to \..
Don't forget to wrap your string in double quotes. Or else you should use \\.
So, your command would need to be:
grep -r "0\.49" *
or
grep -r 0\\...
How to see indexes for a database or table in MySQL?
How do I see if my database has any indexes on it?
9 Answers
9
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Convert string with comma to integer
...s thought regex way is faster. I have ran Benchmark on both on its a huge difference in execution time.
– Abhinay
Aug 29 '14 at 11:15
1
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Generate GUID in MySQL for existing Data?
...
I'm not sure if it's the easiest way, but it works. The idea is to create a trigger that does all work for you, then, to execute a query that updates your table, and finally to drop this trigger:
delimiter //
create trigger beforeYourTab...
How to set entire application in portrait mode only?
...
For any Android version
From XML
You can specify android:screenOrientation="portrait" for each activity in your manifest.xml file. You cannot specify this option on the application tag.
From Java
Other option is to do it programmatically, for example in an Activity ba...
Read/write files within a Linux kernel module
...t_ds());
filp = filp_open(path, flags, rights);
set_fs(oldfs);
if (IS_ERR(filp)) {
err = PTR_ERR(filp);
return NULL;
}
return filp;
}
Close a file (similar to close):
void file_close(struct file *file)
{
filp_close(file, NULL);
}
Reading data from a file...
Static extension methods [duplicate]
... you can't.
Long answer, extension methods are just syntactic sugar. IE:
If you have an extension method on string let's say:
public static string SomeStringExtension(this string s)
{
//whatever..
}
When you then call it:
myString.SomeStringExtension();
The compiler just turns it into:
E...
How Do You Clear The IRB Console?
... With zsh ctrl + L doesn't work, ctrl + K does. (Oh My ZSH to be specific)
– SidOfc
Jul 20 '15 at 14:33
...
How to concatenate strings in twig
...nd a variable, you could do it like this:
http://{{ app.request.host }}
If you want to concatenate some variables, alessandro1997's solution would be much better.
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