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Why does GCC generate such radically different assembly for nearly the same C code?
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This is the nature of compilers. Assuming they will take the fastest or best path, is quite false. Anyone that implies that you don't need to do anything to your code to optimize because "modern compilers" fill in the blank, do the best job, make the fastest code, etc. Actually I saw gc...
How do I get a file name from a full path with PHP?
...ple, you can do this:
<?php
$xmlFile = pathinfo('/usr/admin/config/test.xml');
function filePathParts($arg1) {
echo $arg1['dirname'], "\n";
echo $arg1['basename'], "\n";
echo $arg1['extension'], "\n";
echo $arg1['filename'], "\n";
}
filePathParts...
Meaning of $? (dollar question mark) in shell scripts
... @thirdender The proper solution to that is to encapsulate the complex test in a shell function.
– tripleee
Aug 4 '19 at 9:32
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Getting the closest string match
I need a way to compare multiple strings to a test string and return the string that closely resembles it:
12 Answers
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How to do a https request with bad certificate?
...TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
Warning: For testing/development purposes only. Anything else, proceed at your own risk!!!
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Manipulating an Access database from Java without ODBC
...tion conn=DriverManager.getConnection(
"jdbc:ucanaccess://C:/__tmp/test/zzz.accdb");
Statement s = conn.createStatement();
ResultSet rs = s.executeQuery("SELECT [LastName] FROM [Clients]");
while (rs.next()) {
System.out.println(rs.getString(1));
}
Disclosure
At the time of writin...
Vertical (rotated) label in Android
...erride fun onDraw(c: Canvas) {
// c.drawColor(0xffffff80); // TEST
if (layout == null)
return
c.withSave {
if (topDown) {
val fm = paint.fontMetrics
translate(textSize - (fm.bottom + fm.descent), 0f)
...
How do I get a string format of the current date time, in python?
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#python3
import datetime
print(
'1: test-{date:%Y-%m-%d_%H:%M:%S}.txt'.format( date=datetime.datetime.now() )
)
d = datetime.datetime.now()
print( "2a: {:%B %d, %Y}".format(d))
# see the f" to tell python this is a f string, no .format
print(f"2b: {d:%B %...
How to perform file system scanning
...ite a function that does that I recommend ioutil.ReadDir. My own benchmark test showed that it is faster and less memory intensive than filepath.Glob.
Additionally, ioutil.ReadDir is sorting files by basename using basic string comparison (strA > strB). As a devops guy, I generally sort dir name...
string.Join on a List or other type
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A typical optimization is to append the delimiter without testing, then remove the last character once you get out of the loop.
– Steven Sudit
Aug 31 '10 at 16:15
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