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What does the slash mean in help() output?
...n future without risk of breaking client code that uses API
Last but not least, positional only parameters allow us to use their names to be used in variable length keyword arguments. Check following example
>>> def f(a, b, /, **kwargs):
... print(a, b, kwargs)
...
>>> f(10...
Determine if Android app is being used for the first time
.../ first time task
// record the fact that the app has been started at least once
settings.edit().putBoolean("my_first_time", false).commit();
}
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No newline at end of file
...as having been modified, even though conceptually it wasn’t.
This is at least one good reason to add a newline character at the end.
Example
A file contains:
A() {
// do something
}
Hexdump:
00000000: 4128 2920 7b0a 2020 2020 2f2f 2064 6f20 A() {. // do
00000010: 736f 6d65 7468 696...
Chrome Dev Tools - Modify javascript and reload
...ode.
But as everyone has said, next reload the changes will be gone - at least it let's you run some slightly modified JS client side.
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Fastest way to serialize and deserialize .NET objects
...d NetSerializer are well-suited to, but in terms of raw performance for at least relatively simple objects... BinaryFormatter is significantly more performant, by at least an order of magnitude.
YMMV.
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How to get controls in WPF to fill available space?
...n this old question!) that "without an alignment" is a key phrase here, at least it was for me.
– MikeBaz - MSFT
Mar 26 '13 at 12:38
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Why is it not advisable to have the database and web server on the same machine?
... anonymous users. If your web server gets compromised, and you've followed least privilege rules in connecting to your DB, the maximum exposure is what your app can do through the database API. If you have a business tier in between, you have one more step between your attacker and your data. If, on...
#define macro for debug printing in C?
...nt(fmt, ...) and #define debug_print(...). The first of these requires at least one argument, the format string (fmt) and zero or more other arguments; the second requires zero or more arguments in total. If you use debug_print() with the first, you get an error from the preprocessor about misusin...
How to undo another user’s checkout in TFS?
...
There are at least 2 different ways to do this:
Command Line
There is a command-line utility called Tf.exe that comes with Team Explorer. Find the documentation here. It can be accessed by launching a Visual Studio Command Prompt window...
SQL JOIN vs IN performance?
.... It depends on the database system (the optimizer), the data and last not least on the type of index which is used.
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