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PHP - Debugging Curl
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You can enable the CURLOPT_VERBOSE option:
curl_setopt($curlhandle, CURLOPT_VERBOSE, true);
When CURLOPT_VERBOSE is set, output is written to STDERR or the file specified using CURLOPT_STDERR. The output is very informative.
You can also use tcpdu...
What is Weak Head Normal Form?
... further (i.e. it contains no un-evaluated thunks).
These expressions are all in normal form:
42
(2, "hello")
\x -> (x + 1)
These expressions are not in normal form:
1 + 2 -- we could evaluate this to 3
(\x -> x + 1) 2 -- we could apply the function
"he" ++ "llo" ...
How to check if an object is a certain type
...s makes them easy to distinguish at a glance from classes, types, methods, etc.
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Naming threads and thread-pools of ExecutorService
...y, you can alter the thread's name, thread group, priority, daemon status, etc. If a ThreadFactory fails to create a thread when asked by returning null from newThread, the executor will continue, but might not be able to execute any tasks
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How to convert a String into an ArrayList?
...a set; you may want to filter them by means of another regular expression, etc. Java 8 provides this very useful extension, by the way, which will work on any CharSequence: https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html#splitAsStream-java.lang.CharSequence-. Since you don't ...
Regex select all text between tags
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And since this is a proper parser it will be able to handle nesting tags etc.
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Creating an empty bitmap and drawing though canvas in Android
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This is probably simpler than you're thinking:
int w = WIDTH_PX, h = HEIGHT_PX;
Bitmap.Config conf = Bitmap.Config.ARGB_8888; // see other conf types
Bitmap bmp = Bitmap.createBitmap(w, h, conf); // this creates a MUTABLE bitmap
Canvas canvas = new Canvas(bmp);
// ready to draw on t...
Making a Sass mixin with optional arguments
... to indicate what arguments a mixin is expecting, like $top, $left, $blur, etc. Variable arguments, like you've shown, are great for ultimate flexibility, though.
– Joshua Pinter
Feb 27 '15 at 22:42
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How can I truncate a double to only two decimal places in Java?
...o double
and divide by ten.
Hundreths place
multiply and divide by 100 etc.
Example:
static double truncateTo( double unroundedNumber, int decimalPlaces ){
int truncatedNumberInt = (int)( unroundedNumber * Math.pow( 10, decimalPlaces ) );
double truncatedNumber = (double)( truncatedNu...
What is the difference between $(command) and `command` in shell programming?
...nces such as how backslashes are parsed in the backtick/gravemark version, etc.
See BashFAQ/082 for several reasons to always prefer the $(...) syntax.
Also see the POSIX spec for detailed information on the various differences.
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