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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...e column type is str? I want to only keep list column types. I have tried test = df.drop(df[df['col1'].dtype == str].index) but I get the error KeyError: False I have also tried df.drop(df[df.col1.dtype == str].index) and df.drop(df[type(df.cleaned_norm_email) == str].index) but nothing seems to w...
Git status - is there a way to show changes only in a specific directory?
...e exec perm
sudo chmod +x /usr/local/bin/gitstat
And calling that simple script: gitstat /path/to/foo-project. You can also use it while in foo-project just doing gitstat . and so suppose shorter than git status -s, git diff --stat or git diff --stat HEAD if your are always using console instead o...
Laravel Controller Subfolder routing
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For Laravel 5.3 above:
php artisan make:controller test/TestController
This will create the test folder if it does not exist, then creates TestController inside.
TestController will look like this:
<?php
namespace App\Http\Controllers\test;
use Illuminate\Http\Reques...
Is MonoTouch now banned on the iPhone? [closed]
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...Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine...
They even hammer it in a little further:
Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited
Kind...
How to get result of console.trace() as string in javascript with chrome or firefox?
...es you cross browser stack traces. You can use it simply by including the script and calling at any point:
var trace = printStackTrace();
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SQL DELETE with INNER JOIN
...idTemplate is the only thing that "connect" the tables.
I have tried this script but it doesn't work.
3 Answers
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PHP's array_map including keys
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Not with array_map, as it doesn't handle keys.
array_walk does:
$test_array = array("first_key" => "first_value",
"second_key" => "second_value");
array_walk($test_array, function(&$a, $b) { $a = "$b loves $a"; });
var_dump($test_array);
// array(2) {
// ["...
The most accurate way to check JS object's type?
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That test on jsPerf isn't quite accurate. Those tests are not equal (testing for the same thing). E.g., typeof [] returns "object", typeof {} also returns "object", even though one is an object Array and the other is an object Ob...
Test a string for a substring [duplicate]
Is there an easy way to test a Python string "xxxxABCDyyyy" to see if "ABCD" is contained within it?
2 Answers
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【解决】File does not reside within any path specified using proto_pat...
...pecified-using-proto-path使用protoc编译 proto文件时报错： main test test proto: File does not reside within any path specified using --proto_path (or -I) You must specify 使用protoc编译.proto文件时报错：
../main/test/test.proto: File does not reside within any path spec...