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Why can't C# interfaces contain fields?
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How can I define a constant default value (like 123) to that automatic implementation of Year?
– lama12345
Aug 1 '17 at 1:39
1
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Load “Vanilla” Javascript Libraries into Node.js
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David WoleverDavid Wolever
123k7676 gold badges297297 silver badges462462 bronze badges
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Is there any particular difference between intval and casting to int - `(int) X`?
...ould be used as a second parameter (base 10 by default) :
var_dump((int)"0123", intval("0123"), intval("0123", 8));
will get you :
int 123
int 123
int 83
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What is the parameter “next” used for in Express?
...) {
// check for and maybe do something with req.user
});
Since /users/123 will match the route in your example first, that will first check and find user 123; then /users can do something with the result of that.
Route middleware is a more flexible and powerful tool, though, in my opinion, sin...
What does %~dp0 mean, and how does it work?
...~dp1= D:\Workbench\
~dp2= D:\Workbench\
Run 2:
D:\Workbench>batch c:\123\a.exe e:\abc\b.exe
~dp0= D:\Workbench\
~dp1= c:\123\
~dp2= e:\abc\
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How do you convert Html to plain text?
...e plain text look painful. Do you know how to fix?
– 123iamking
Jun 7 '16 at 7:24
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Creating PHP class instance with a string
...ther cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$obj...
Ruby replace string with captured regex pattern
...note that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
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Using grep to search for a string that has a dot in it
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JoniJoni
98.4k1111 gold badges118118 silver badges173173 bronze badges
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Pandas - Get first row value of a given column
...ime'] = x does not work:
In contrast, assignment with df.iloc[0]['bar'] = 123 does not work because df.iloc[0] is returning a copy:
In [66]: df.iloc[0]['bar'] = 123
/home/unutbu/data/binky/bin/ipython:1: SettingWithCopyWarning:
A value is trying to be set on a copy of a slice from a DataFrame
Se...