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How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
... solution after all.
First, you need to install the cygwin package ca-certificates via Cygwin's setup.exe to get the certificates.
Do NOT use curl or similar hacks to download certificates (as a neighboring answer advices) because that's fundamentally insecure and may compromise the system.
Seco...
How can I update the current line in a C# Windows Console App?
...without having to extend a current line or go to a new line? For example, if I want to show a percentage representing how close a process is to completion, I'd just like to update the value on the same line as the cursor, and not have to put each percentage on a new line.
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Convert objective-c typedef to its string equivalent
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This is really a C question, not specific to Objective-C (which is a superset of the C language). Enums in C are represented as integers. So you need to write a function that returns a string given an enum value. There are many ways to do this. An array of strin...
Merge two (or more) lists into one, in C# .NET
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Assuming you want a list containing all of the products for the specified category-Ids, you can treat your query as a projection followed by a flattening operation. There's a LINQ operator that does that: SelectMany.
// implicitly List<Product>
var products = new[] { CategoryId1, Categ...
How to convert byte array to string [duplicate]
...lts of this will vary depending on how the operating system is configured. If you know what encoding the string really is you should use that one instead.
– Wolfgang
Nov 5 '15 at 15:18
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How do you underline a text in Android XML?
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If you are using a string resource xml file (supports HTML tags), it can be done using<b> </b>, <i> </i> and <u> </u>.
<resources>
<string name="your_string_here">
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PreparedStatement IN clause alternatives?
...ggested it.
Use a stored procedure to construct the result set.
Prepare N different size-of-IN-list queries; say, with 2, 10, and 50 values. To search for an IN-list with 6 different values, populate the size-10 query so that it looks like SELECT my_column FROM my_table WHERE search_column IN (1,2,3...
Which comment style should I use in batch files?
... supported way to embed comments in batch files whereas :: is merely an artifact of a particular implementation.
Here is an example where :: produces a problem in a FOR loop.
This example will not work in a file called test.bat on your desktop:
@echo off
for /F "delims=" %%A in ('type C:\Users\...
C-like structures in Python
...thon 2.6. It's also possible to use Raymond Hettinger's named tuple recipe if you need to support Python 2.4.
It's nice for your basic example, but also covers a bunch of edge cases you might run into later as well. Your fragment above would be written as:
from collections import namedtuple
MyStru...
What's the simplest way to test whether a number is a power of 2 in C++?
... 0 is best. However, note that it will incorrectly return true for n=0, so if that is possible, you will want to check for it explicitly.
http://www.graphics.stanford.edu/~seander/bithacks.html has a large collection of clever bit-twiddling algorithms, including this one.
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