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max value of integer
In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767.
In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647.
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Import multiple csv files into pandas and concatenate into one DataFrame
I would like to read several csv files from a directory into pandas and concatenate them into one big DataFrame. I have not been able to figure it out though. Here is what I have so far:
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What is the canonical way to determine commandline vs. http execution of a PHP script?
... cli-mode
} else {
// Not in cli-mode
}
Here are some relevant notes from the docs:
php_sapi_name — Returns the type of interface between web server and PHP
Although not exhaustive, the possible return values include aolserver, apache, apache2filter, apache2handler, caudium, cgi (un...
What is the purpose of XORing a register with itself? [duplicate]
...he big picture it's faster. There are fewer bytes that have to be fetched from RAM.
– Loren Pechtel
Dec 7 '09 at 0:21
12
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could not resolve host github.com error while cloning remote repository in git
...proxy variable without your credentials! (the px proxy will reuse the ones from the current Widows session, either through Microsoft SSPI or Microsoft Kerberos)
That will give you:
set HTTPS_PROXY=http://127.0.0.1:3128
set HTTP_PROXY=http://127.0.0.1:3128
set NO_PROXY=localhost,my.company
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Android Split string
... other ways to do it. For instance, you can use the StringTokenizer class (from java.util):
StringTokenizer tokens = new StringTokenizer(currentString, ":");
String first = tokens.nextToken();// this will contain "Fruit"
String second = tokens.nextToken();// this will contain " they taste good"
// ...
Custom li list-style with font-awesome icon
... Lists and Counters Module Level 3 introduces the ::marker pseudo-element. From what I've understood it would allow such a thing. Unfortunately, no browser seems to support it.
What you can do is add some padding to the parent ul and pull the icon into that padding:
ul {
list-style: none;
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UITableView : viewForHeaderInSection: not called during reloadData:
...it won't be called. Check the case too. Also make sure you are returning 0 from numberOfSections.
– rmaddy
Feb 26 '13 at 2:23
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Easiest way to rename a model using Django/South?
...u increase the legacy weight of your codebase -- having class names differ from table names makes your code harder to understand and maintain. I fully support doing simple refactorings like this for the sake of clarity.
(update) I just tried this in production, and got a strange warning when I wen...
Entity Framework .Remove() vs. .DeleteObject()
You can remove an item from a database using EF by using the following two methods.
2 Answers
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