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Why can't I define a static method in a Java interface?
...pe Foo when "constructing" the new object, the compiler can verify that it does indeed have the necessary factory method. And if it doesn't, so what? If I can implement an IXMLizable that lacks the "constructor", and I create an instance and pass it to your code, it is an IXMLizable with all the nec...
How can I convert a DateTime to the number of seconds since 1970?
...and from Unix epoch time:
public static DateTime ConvertFromUnixTimestamp(double timestamp)
{
DateTime origin = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
return origin.AddSeconds(timestamp);
}
public static double ConvertToUnixTimestamp(DateTime date)
{
DateTime origin = ...
How to check if a file exists in Go?
Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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Get list from pandas DataFrame column headers
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You can get the values as a list by doing:
list(my_dataframe.columns.values)
Also you can simply use: (as shown in Ed Chum's answer):
list(my_dataframe)
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How to use QueryPerformanceCounter?
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#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double...
How to get past the login page with Wget?
I am trying to use Wget to download a page, but I cannot get past the login screen.
9 Answers
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Read first N lines of a file in python
...im to a specified size.
I am experienced in .net c#, however would like to do this in python to simplify things and out of interest.
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Git Push ERROR: Repository not found
...https://myusername@github.com/path_to/myRepo.git
– redolent
Jul 30 '14 at 19:19
8
this works but ...
Blurry text after using CSS transform: scale(); in Chrome
...re has been a recent update to Google Chrome that causes blurry text after doing a transform: scale() . Specifically I'm doing this:
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File inside jar is not visible for spring
... path resource [classpath*:my.config] cannot be resolved to URL because it does not exist
– BTakacs
Feb 15 '13 at 7:57
14
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