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Convert columns to string in Pandas
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String comparison using '==' vs. 'strcmp()'
...r use == for string comparison. === is OK.
$something = 0;
echo ('password123' == $something) ? 'true' : 'false';
Just run the above code and you'll see why.
$something = 0;
echo ('password123' === $something) ? 'true' : 'false';
Now, that's a little better.
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How to split a string in Java
...mat: string-string.
Check out the split() method in the String class.
https://docs.oracle.com/javase/8/docs/api/java/lang/String.html#split-java.lang.String-int-
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runOnUiThread in fragment
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How to format strings in Java
...sing it. For example the following code MessageFormat.format("Number {0}", 1234)); depending on default locale can produce Number 1,234 instead of Number 1234.
– pavel_kazlou
Dec 4 '12 at 10:25
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Pick a random value from an enum?
...otlin Solution
MyEnum.values().random()
random() is a default extension function included in base Kotlin on the Collection object. Kotlin Documentation Link
If you'd like to simplify it with an extension function, try this:
inline fun <reified T : Enum<T>> random(): T = enumValues&l...
disable the swipe gesture that opens the navigation drawer in android
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Instagram how to get my user id from username?
...useful.
You can get user info when a request is made with the url below:
https://www.instagram.com/{username}/?__a=1
E.g:
This url will get all information about a user whose username is therock
https://www.instagram.com/therock/?__a=1
Update i June-20-2019, the API is public now. No authe...
TCP 的那些事儿(上) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Sequence Number
下图是我从Wireshark中截了个我在访问coolshell.cn时的有数据传输的图给你看一下,SeqNum是怎么变的。(使用Wireshark菜单中的Statistics ->Flow Graph… )
你可以看到,SeqNum的增加是和传输的字节数相关的。上图中,...
Identify if a string is a number
...
int n;
bool isNumeric = int.TryParse("123", out n);
Update As of C# 7:
var isNumeric = int.TryParse("123", out int n);
or if you don't need the number you can discard the out parameter
var isNumeric = int.TryParse("123", out _);
The var s can be replaced ...
