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How to filter rows in pandas by regex
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Multiple column search with dataframe:
frame[frame.filename.str.match('*.'+MetaData+'.*') & frame.file_path.str.match('C:\test\test.txt')]
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Android Studio could not find any version that matches com.android.support:appcompat-v7:+
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In Project > app > build.gradle file replace the line
implementation 'com.android.support:appcompat-v7:+'29.+'
with
implementation 'com.android.support:appcompat-v7:+'
and line
implementation 'com.android.support:design:29.+'
with
implementation ...
How is Node.js inherently faster when it still relies on Threads internally?
... using threads because:
The O_NONBLOCK option of open() does not work on files.
There are third-party libraries which don't offer non-blocking IO.
To fake non-blocking IO, threads are neccessary: do blocking IO in a separate thread. It is an ugly solution and causes much overhead.
It's even wo...
What are the differences between struct and class in C++?
...everything is public.", You can hide a definition of a struct inside a *.c-File and let other translations units only use it with a pointer. So you have a even stronger encapsulation, because other translations units do not even know what is inside the struct.
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mysql :: insert into table, data from another table?
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INSERT INTO preliminary_image (style_id,pre_image_status,file_extension,reviewer_id,
uploader_id,is_deleted,last_updated)
SELECT '4827499',pre_image_status,file_extension,reviewer_id,
uploader_id,'0',last_updated FROM preliminary_image WHERE style_id=4827488
Analysis
We can us...
Spring MVC @PathVariable with dot (.) is getting truncated
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Spring considers that anything behind the last dot is a file extension such as .jsonor .xml and trucate it to retrieve your parameter.
So if you have /somepath/{variable} :
/somepath/param, /somepath/param.json, /somepath/param.xml or /somepath/param.anything will result in a p...
what happens when you type in a URL in browser [closed]
...creen. If it finds references to external resources, such as pictures, css files, javascript files, these are is delivered the same way as the HTML document itself.
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Benchmarking (python vs. c++ using BLAS) and (numpy)
...un the benchmark yourself with different optimization options (see the Makefile). Though the code doesn't recompile neither blas nor lapack.
– jfs
Aug 15 '16 at 15:16
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Javascript : Send JSON Object with Ajax?
...ew XMLHttpRequest(); // new HttpRequest instance
xmlhttp.open("POST", "/file.php");
xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xmlhttp.send(json_upload);
And for the php receiving end:
$_POST['json_name']
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Windows batch: echo without new line
...riteVar routines
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:: $write.temp - specifies a base path for temporary files
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:: $write.sub - contains the SUB character, also known as <CTRL-Z> or 0x1A
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:: $write.problemChars - list of characters that cause problems for SET /P
:: <carriageReturn> <formFeed> <...