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How to access java-classes in the default-package?
...u can’t use classes in the default package from a named package.
(Technically you can, as shown in Sharique Abdullah's answer through reflection API, but classes from the unnamed namespace are not in scope in an import declaration)
Prior to J2SE 1.4 you could import classes from the default packag...
Character reading from file in Python
... print repr(line)
It's also possible to open files in update mode, allowing both reading and writing:
with codecs.open('test', encoding='utf-8', mode='w+') as f:
f.write(u'\u4500 blah blah blah\n')
f.seek(0)
print repr(f.readline()[:1])
EDIT: I'm assuming that your intended go...
MySQL Select all columns from one table and some from another table
How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL.
4 Answers
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What does the “@” symbol do in Powershell?
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PowerShell will actually treat any comma-separated list as an array:
"server1","server2"
So the @ is optional in those cases. However, for associative arrays, the @ is required:
@{"Key"="Value";"Key2"="Value2"}
Officially, @ is the "array ...
Difference between == and ===
...there's three types you need to keep in mind: literal types, such as 1 or "foo", which haven't been bound to a variable and normally only affect compilation since you generally don't deal with them during runtime; struct types such as Int and String which are what you get when you assign a literal t...
Where is Xcode's build folder?
...er/Xcode/DerivedData is now the default.
You can set the prefs in Xcode to allow projects to specify their build directories.
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What's NSLocalizedString equivalent in Swift?
...e an Swift equivalent of NSLocalizedString(...) ?
In Objective-C , we usually use:
15 Answers
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Get current URL with jQuery?
...Do new C#/Java programmers understand pointers? No. Do they need to? Not really, newer abstractions are powerful enough for it not to matter..
– flesh
Jan 11 '11 at 22:10
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MYSQL Truncated incorrect DOUBLE value
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Really glad I found this answer before throwing the computer in to a wall
– rbennell
Aug 31 '17 at 16:53
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How to convert a char array back to a string?
...ver, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a bundle of chars terminat...