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string.ToLower() and string.ToLowerInvariant()
...d is recommended when a collection of strings must appear in a predictable order in a user interface control.
also
...ToLower is very similar in most places to ToLowerInvariant. The documents indicate that these methods will only change behavior with Turkish cultures. Also, on Windows systems...
sizeof single struct member in C
... char text[member_size(Parent, text)];
int used;
} Child;
I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a constant expression. Cool stuff.
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impr...
How do I write data into CSV format as string (not file)?
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I found the answers, all in all, a bit confusing. For Python 2, this usage worked for me:
import csv, io
def csv2string(data):
si = io.BytesIO()
cw = csv.writer(si)
cw.writerow(data)
return si.getvalue().strip('\r\n')
data=[1,2...
What does “The APR based Apache Tomcat Native library was not found” mean?
...ns exactly what it says: "The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path"
The library referred to is bundled into an OS specific dll (tcnative-1.dll) loaded via JNI. It allows tomcat to use OS functionali...
How do I trim leading/trailing whitespace in a standard way?
... C? I'd roll my own, but I would think this is a common problem with an equally common solution.
38 Answers
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Can't find the PostgreSQL client library (libpq)
...the EnterpiseDB .dmg. If that's the same think you used, I got it to work by specifying the right architecture:
sudo env ARCHFLAGS="-arch i386" gem install pg
There are some tutorials on the web that said to specify a different architecture (like "-arch x86_64" for people who used MacPorts) but ...
How do I find an element that contains specific text in Selenium Webdriver (Python)?
... Thanks... so that helps distinguish inner from outer, but that actually works fine with xpath, I was only having that problem iterating through all the divs. My problem with xpath is I can't figure out how to make it case-insensitive?
– josh
Sep 7 '12 ...
Programmatically obtain the Android API level of a device?
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You can obtain API level programatically by the system constant (Build.VERSION.SDK_INT). For example you can run some piece of code which requires newer API in the following way (it will execute if the current device's API level is at least 4)
if (Build.VERSION.SDK...
What are good alternatives to SQL (the language)? [closed]
...elational algebra. One issue is the lack of support for the use of domain ordering, which you run into when you work with data marked by dates, timestamps, etcetera. I once tried to do a reporting application entirely in plain SQL on a database full of timestamps and it just wasn't feasible. Ano...
Getting realtime output using subprocess
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Is stderr also displayed by this?
– Pieter Vogelaar
Jun 18 '18 at 15:30
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