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How do I ZIP a file in C#, using no 3rd-party APIs?
...ough. There is an additional file that MUST be included in the archive in order for the ZipPackage to work. If this file is added, then the resulting ZIP package can be opened directly from Windows Explorer - no problem.
All you have to do is add the [Content_Types].xml file to the root of the ar...
How can I find where I will be redirected using cURL?
...
Oh, so you don't actually want to fetch the page? Just find out the location? In that case, I'd suggest the tactic used here: zzz.rezo.net/HowTo-Expand-Short-URLs.html -- basically just grab the header from the page that redirects, and grab the Location: heade...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...ostreams to OS-specific I/O APIs and custom buffer management does give an order of magnitude improvement.
4 Answers
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Change one value based on another value in pandas
...eration which is overridden for series. Fancy string formatting, f-strings etc won't work here since the + applies to scalars and not 'primitive' values:
df['description'] = 'A ' + df.age.astype(str) + ' years old ' \
+ df.type + ' ' + df.animal
In [2]: df
Out[2]:
animal ...
How to get URL parameter using jQuery or plain JavaScript?
...eed to decode in case there are special characters as parameter or Umlaute etc. So instead of return results[1] || 0; it should be return decodeURI(results[1]) || 0;
– Kai Noack
Dec 22 '15 at 15:14
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How many threads is too many?
...you reach some bottleneck be it CPU, database throughput, disk throughput, etc, adding more threads won't increase the overall performance. But until you hit that point, add more threads!
Note that this assumes the system(s) in question are dedicated to your app, and you don't have to play nicely ...
Capitalize first letter. MySQL
..., 2));
This would turn hello to Hello, wOrLd to WOrLd, BLABLA to BLABLA, etc. If you want to upper-case the first letter and lower-case the other, you just have to use LCASE function :
UPDATE tb_Company
SET CompanyIndustry = CONCAT(UCASE(LEFT(CompanyIndustry, 1)),
LC...
What are WSGI and CGI in plain English?
...ts environment (files not being where it expects, parameters being renamed etc). Although optimisation should be a central tenet of your design (of course), software itself does not optimise. Developers optimise. Software executes. Software does all the stuff in the 'deliberate mumble' section above...
How do I run a program with commandline arguments using GDB within a Bash script?
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You could create a file with context:
run arg1 arg2 arg3 etc
program input
And call gdb like
gdb prog < file
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