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Why won't my PHP app send a 404 error?
...
if (strstr($_SERVER['REQUEST_URI'],'index.php')){
header('HTTP/1.0 404 Not Found');
echo "<h1>404 Not Found</h1>";
echo "The page that you have requested could not be found.";
exit();
}
If you look at the last two echo lines, that'...
Converting XML to JSON using Python?
...mapping between XML and JSON, so converting one to the other necessarily requires some understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree). As of Python 2.6, support for converti...
Delete column from pandas DataFrame
...df = df.drop(df.columns[[0, 1, 3]], axis=1) # df.columns is zero-based pd.Index
Also working with "text" syntax for the columns:
df.drop(['column_nameA', 'column_nameB'], axis=1, inplace=True)
Note: Introduced in v0.21.0 (October 27, 2017), the drop() method accepts index/columns keywords as an ...
Changing default encoding of Python?
... help for running existing applications (which is one way to interpret the question), is wrong when you are writing/maintaining an application and dangerous when writing a library. The right way is to set LC_CTYPE (or in an application, check whether it is set right and abort with a meaningful error...
How to generate a random string of a fixed length in Go?
...s is a string constant.)
And at what cost? Nothing at all. strings can be indexed which indexes its bytes, perfect, exactly what we want.
Our next destination looks like this:
const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
func RandStringBytes(n int) string {
b :=...
Reset push notification settings for app
...
Apple added a new requirement to the AppStore submissions guidelines, which relies on the application to show the prompt. This may suggest that the automatic prompt has been removed in iOS 5.1. However there is no API to query the notification c...
No serializer found for class org.hibernate.proxy.pojo.javassist.Javassist?
...ccess other entities having lazy loaded beans.
– Shafqat Shafi
Jul 30 '18 at 4:41
3
I think this ...
How to change the font on the TextView?
... setTypeface(), bear in mind that font files are big and, in some cases, require licensing agreements (e.g., Helvetica, a Linotype font).
EDIT
The Android design language relies on traditional typographic tools
such as scale, space, rhythm, and alignment with an underlying grid.
Successful ...
How many files can I put in a directory?
...lesystem in use on the Linux server. Nowadays the default is ext3 with dir_index, which makes searching large directories very fast.
So speed shouldn't be an issue, other than the one you already noted, which is that listings will take longer.
There is a limit to the total number of files in one d...
How to check if a process id (PID) exists
...arily kill the process. It just sends the process a signal. kill $PID is equivalent to kill -15 $PID, which sends signal 15, SIGTERM to the process, which is an instruction to terminate. There isn't a signal 0, that's a special value telling kill to just check if a signal could be sent to the proc...