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'printf' vs. 'cout' in C++
... You say I/O is the bottleneck anyway. Obviously you never tested that assumption. I quote myself: "On the other hand, the iostreams version, at 75.3 MB/s, can't buffer data fast enough to keep up with a hard disk. That's bad, and it's not even doing any real work yet. I don't think...
How to detect if a script is being sourced
...
A line similar to this or an assignment like pathname="$_" (with a later test and action) must be on the first line of the script or on the line after the shebang (which, if used, should be for ksh in order for it to work under the most circumstances).
...
Detecting request type in PHP (GET, POST, PUT or DELETE)
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REST in PHP can be done pretty simple. Create http://example.com/test.php (outlined below). Use this for REST calls, e.g. http://example.com/test.php/testing/123/hello. This works with Apache and Lighttpd out of the box, and no rewrite rules are needed.
<?php
$method = $_SERVER['REQUES...
sys.argv[1] meaning in script
...hile running a script via command line
python create_thumbnail.py test1.jpg test2.jpg
here,
script name - create_thumbnail.py,
argument 1 - test1.jpg,
argument 2 - test2.jpg
With in the create_thumbnail.py script i use
sys.argv[1:]
which give me the list of arguments i passed in co...
How to schedule a function to run every hour on Flask?
...roundScheduler
from flask import Flask
def sensor():
""" Function for test purposes. """
print("Scheduler is alive!")
sched = BackgroundScheduler(daemon=True)
sched.add_job(sensor,'interval',minutes=60)
sched.start()
app = Flask(__name__)
@app.route("/home")
def home():
""" Function ...
How do I set a cookie on HttpClient's HttpRequestMessage
...("CookieName", "cookie_value"));
var result = await client.PostAsync("/test", content);
result.EnsureSuccessStatusCode();
}
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JavaScript function similar to Python range()
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+1 Great idea! Could you implement also step argument and test it on the values from my answer? Your answer is great for the applications where we have very specific browsers in mind (it won't work in Google Chrome, Safari and IE version earlier than 9: stackoverflow.com/a/2209743/5...
What is a NullPointerException, and how do I fix it?
... if it was a real reference. For example, if you write this:
public class Test {
public static void main(String[] args) {
String foo = null;
int length = foo.length(); // HERE
}
}
the statement labeled "HERE" is going to attempt to run the length() method on a null refer...
Prevent double submission of forms in jQuery
... // Previously submitted - don't submit again
alert('Form already submitted. Please wait.');
e.preventDefault();
} else {
// Mark it so that the next submit can be ignored
// ADDED requirement th...
How is Node.js inherently faster when it still relies on Threads internally?
...text switch model, layered on top of the more appropriate (value judgement alert :) and more efficient (not a value judgement) preemptive model. This happens for two reasons, first, most programmers don't seem to understand priority preemption, and second, if you learn threading in a windows environ...