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Assign variable in if condition statement, good practice or not? [closed]
... Not to dig up an old comment, but I don't agree with your arguments. Readable code should explain itself without the need for a comment - adding a comment to confusing code isn't a remedy. As for the second part, which says the alternative is to call the function again, I don't think anyone in...
How to create a simple proxy in C#?
... things like process management (startup, failure detection, recycling), thread pool management,etc.
– Mauricio Scheffer
Jan 15 '09 at 23:07
2
...
Plurality in user messages
...t any message and giving the user a really good Undo facility. Users never read anything. You should build a good Undo facility as part of your program anyway.
You actually get 2 benefits when you createe a comprehensive Undo facility. The first benefit makes the user's life easier by allowing him...
Streaming a video file to an html5 video player with Node.js so that the video controls continue to
...file, you should first check the Accept Ranges header in the REQUEST, then read in and send just that bit. fs.createReadStream support start, and end option for that.
So I tried an example and it works. The code is not pretty but it is easy to understand. First we process the range header to get th...
How do I choose between Tesseract and OpenCV? [closed]
...s an OCR engine. It's used, worked on and funded by Google specifically to read text from images, perform basic document segmentation and operate on specific image inputs (a single word, line, paragraph, page, limited dictionaries, etc.).
OpenCV, on the other hand, is a computer vision library that ...
Execute command on all files in a directory
...ption of shell to delimit files with this NULL byte using the -d option of read command, we can do below
( shopt -s nullglob; printf '%s\0' ./* ) | while read -rd '' file; do
cmdToRun [option] -- "$file"
done
The nullglob and the printf are wrapped around (..) which means they are basically r...
What part of Hindley-Milner do you not understand?
...s that the environment Γ includes the fact that x has type σ.
⊢ can be read as proves or determines. Γ ⊢ x : σ means that the environment Γ determines that x has type σ.
, is a way of including specific additional assumptions into an environment Γ.
Therefore, Γ, x : τ ⊢ e : τ' means ...
MySQL maximum memory usage
...mize its behavior. If you run into issues, you really need to sit down and read the (f'ing) manual.
As for the database -- a few important constraints:
table engine (InnoDB, MyISAM, ...)
size
indices
usage
Most MySQL tips on stackoverflow will tell you about 5-8 so called important settings. Fi...
Read url to string in few lines of java code
...implementation, which is not a single line, do this:
public static String readStringFromURL(String requestURL) throws IOException
{
try (Scanner scanner = new Scanner(new URL(requestURL).openStream(),
StandardCharsets.UTF_8.toString()))
{
scanner.useDelimiter("\\A");
...
How to deal with SettingWithCopyWarning in Pandas?
...for false positives is addressed in the docs on indexing, if you'd like to read further. You can safely disable this new warning with the following assignment.
import pandas as pd
pd.options.mode.chained_assignment = None # default='warn'
...