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How to improve the parsing efficiency of python crawler?

What is currently used is to crawl in a multi-threaded manner under the windows environment, using beautifulsoup+lxml for parsing. N crawling threads->parsing queue->1 parsing thread->storage queue->1 The efficiency of the entire execution of the storage thread is stuck i...

世界只因有你 2017-06-12 09:20:36 0  3  858

php - Please see why there is an error in parsing this json data

Why is there an error in parsing json data?

PHP中文網(wǎng) 2017-06-28 09:22:16 0  5  899

php - laravel route parsing error after url encoding of routing parameters

I encoded the parameters {code...} route definition {code...} and found that the encoded $msg would cause a route parsing error, I tested like this /test/1/msg/balabala with no problem

PHP中文網(wǎng) 2017-06-22 11:54:11 0  2  1045

php parsing error cannot be displayed

I'm running ubuntu10.04+nginx+php-fpm5.4 and if I set display_errors=On in php.ini all errors are printed. If instead I set it to off and then use ini_set('display_errors,'1'); directly in the script they also show up, but not the parsing errors, just a blank page. I also tried using error_reporting...

P粉237125700 2023-10-30 14:44:43 0  2  1009

Apache's CXF can automatically convert objects into JSON. But I haven't seen any JSON parsing package used by CXF.

Apache's CXF can automatically convert objects into JSON. But I didn’t see any JSON parsing package used by CXF. Can a complex object be converted?

給我你的懷抱 2017-05-16 17:03:04 0  1  692

javascript - vue data parsing

Is there a good way to open the data directly? Otherwise, I have to click on it one by one. I can display it normally using jq.

typecho 2017-06-28 09:28:34 0  1  755

The Android side of the weex project submits data to the server through get method and reports an error

[http-nio-8080-exec-6] org.apache.coyote.http11.AbstractHttp11Processor.process Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG lev...

PHP中文網(wǎng) 2017-05-16 13:32:12 0  1  894

Problems with python lxml parsing Chinese

Using lxml to capture Chinese characters, the result is very painful, I don’t know how to deal with it... {code...} The result is like this [u'\xe6\x80\xa7\xe8\xb4\ xa8']unicode but the content is str encoding. How to convert this thing into Chinese? Normally it should be '\xe6\x80\xa7\xe8...

高洛峰 2017-05-18 10:44:31 0  2  682

PHP parsing error: syntax error, unexpected '

When I change from php5.6 to php7.4 I get this error: PHP parse error: syntax error, unexpected '[', expecting ';' or ./dbdrivers/odbc.phpIN$$args[1] ','function&db_fetch_row($args=array()){global$$args[1];switch(count($args)){case2:return(odbc_fetch_into($arg

P粉183077097 2024-03-19 17:13:55 0  1  494

Parse variables

What does the parsing variable here mean?

創(chuàng)可貼 2020-03-25 23:36:33 0  0  1139

The oci_parse() method returns null parsing method

I want to create a class that connects to an ORACLE database using some OCI methods. But when I call the Parse() method it is null and my FetchArray() method returns nothing Database PHP class: classDatabase{/***@varstring*/privatestring$login;/***@varstring*/ privatestring$password;/***@varstring*/...

P粉043432210 2024-01-29 13:46:11 0  1  697

Methods of parsing MYD, MYI, and FRM files

I've read several posts on this forum and elsewhere but still can't read some MYD/MYI/FRM files that contain data that I want to import into SQLServer. I stopped the MySQL service at the client location and copied all the files (the same way we did on SQLServer). I installed the latest MySQL ODBC Co...

P粉604848588 2023-08-25 16:14:30 0  1  1124

python - scrapy xpath page parsing cannot be found

The following is the html {code...} of the page category. I use xpath to extract text. My code is {code...}. I can find the error message for this category in for i in list: name =f.xpath(). OK, text cannot be extracted. The execution code cannot be found. Please help me find out what I am doing wro...

PHP中文網(wǎng) 2017-06-14 10:51:10 0  2  1168

javascript - Firefox XML parsing error: Poor format issue

When requesting the background interface, the data is requested. It is normal in Google. The data is also requested in Firefox, but it will appear. Why?

phpcn_u1582 2017-06-22 11:51:30 0  1  1661

Objective-c - Swift parsing file object array unsuccessful

I didn't learn how to decode files well, so I wrote a simple demo for testing, but I still couldn't decode the files and get the data. I must have handled it improperly. I hope you can give me some advice. As follows, I have a dogHouse model class and want to perform file decoding operations. {Code....

高洛峰 2017-05-02 09:35:44 0  0  696

php7 - php failed to parse SOAP xml

{Code...} The above code prints an empty object, indicating that the parsing failed.

ringa_lee 2017-05-16 13:14:49 0  2  2874

javascript - Why do many projects serialize the data in the request body before sending a post request?

I found that many projects use "querystring parsing and stringifying library" to serialize the data to be transmitted in post requests, such as qs. {Code...} There is a sentence in the introduction in qs: "A querystring parsing and stringif...

天蓬老師 2017-06-15 09:23:20 0  2  1018

Single and double quotation mark parsing escape character problem

<?php//What should I do if I want to display a double quote in the string of $beizi? $shengyang = 'i\'m xiaoshengyang';echo $shengyang;?>Single quotes do not parse escape characters, why does 'i\'m xiaoshengyang' display i'm xiaoshengyang instead of \'m xiaoshengyang

for ctf 2022-05-16 17:24:32 0  1  1311

Parsing HTML strings in Java: How to do it

How to parse HTML string in Java?

P粉193307465 2023-08-01 16:41:41 0  2  728

Parsing and dealing with the eval function in PHP

Disclaimer: This is just an example for learning PHP code injection, not production code to be used in any way. I'm fully aware that this is not good coding practice. I have the following PHP script: Example Script Example Page Now does math calculations. Please enter a formula to calculate. For exa...

P粉476547076 2023-08-13 17:40:10 0  2  740