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How can I get a count of the total number of digits in a number?
...ow can I get a count of the total number of digits of a number in C#? For em>x m>ample, the number 887979789 has 9 digits.
16 An...
How can I check whether a radio button is selected with JavaScript?
I have two radio buttons within an HTML form. A dialog bom>x m> appears when one of the fields is null. How can I check whether a radio button is selected?
...
Merge PDF files
...ython
import sys
try:
from PyPDF2 import PdfFileReader, PdfFileWriter
em>x m>cept ImportError:
from pyPdf import PdfFileReader, PdfFileWriter
def pdf_cat(input_files, output_stream):
input_streams = []
try:
# First open all the files, then produce the output file, and
# f...
How to Generate unique file names in C#
...n't matter, use GUIDs.
E.g.:
var myUniqueFileName = string.Format(@"{0}.tm>x m>t", Guid.NewGuid());
or shorter:
var myUniqueFileName = $@"{Guid.NewGuid()}.tm>x m>t";
In my programs, I sometimes try e.g. 10 times to generate a readable name ("Image1.png"…"Image10.png") and if that fails (because the f...
get UTC time in PHP
How can I get UTC/GMT +/- time stamp using PHP's date() function? For em>x m>ample, if I try
12 Answers
...
What guarantees are there on the run-time complem>x m>ity (Big-O) of LINQ methods?
...'ve recently started using LINQ quite a bit, and I haven't really seen any mention of run-time complem>x m>ity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any ...
jquery data selector
I need to select elements based on values stored in an element's .data() object. At a minimum, I'd like to select top-level data properties using selectors, perhaps like this:
...
How to get the date from jQuery UI datepicker
I want to get the date from datepicker whenever user choose the date in jQuery UI datepicker and click the button on the form.
...
Apply function to all elements of collection through LINQ [duplicate]
...source)
{
action(element);
}
}
(Where ThrowIfNull is an em>x m>tension method on any reference type, which does the obvious thing.)
It'll be interesting to see if this is part of .NET 4.0. It goes against the functional style of LINQ, but there's no doubt that a lot of people find it u...
List goals/targets in GNU make that contain variables in their definition
...that gnu make can be convinced to spit out a list of targets after it has em>x m>panded these variables?
16 Answers
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