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Convert decimal to hexadecimal in UNIX shell script
... decimal to hexadecimal. I assume you mean convert hex to dec. To do that, set ibase=16. You might like to read the manual on bc for more details.
– Bill Karwin
May 28 '15 at 1:58
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PHP array delete by value (not key)
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Using array_search() and unset, try the following:
if (($key = array_search($del_val, $messages)) !== false) {
unset($messages[$key]);
}
array_search() returns the key of the element it finds, which can be used to remove that element from the or...
How to parse a string into a nullable int
...g into a nullable int in C#. ie. I want to get back either the int value of the string or null if it can't be parsed.
21 A...
Bulk insert with SQLAlchemy ORM
Is there any way to get SQLAlchemy to do a bulk insert rather than inserting each individual object. i.e.,
10 Answers
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How to add Git's branch name to the commit message?
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It works well. But for Mac, I had to set the permission too to make it work: >>> sudo chmod 755 .git/hooks/commit-msg
– Manoj Shrestha
Sep 25 '17 at 18:48
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
... ORDER BY
name, id
OFFSET 1 LIMIT 1
),
(
SELECT xi
FROM xxx xi
WHERE xi.section_id = xo.section_id
ORDER BY
name DESC, i...
How can I put strings in an array, split by new line?
I have a string with line breaks in my database. I want to convert that string into an array, and for every new line, jump one index place in the array.
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Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?
...tmap bitmap = BitmapFactory.decodeFile(photoPath, options);
selected_photo.setImageBitmap(bitmap);
or
http://mihaifonoage.blogspot.com/2009/09/displaying-images-from-sd-card-in.html
share
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impr...
How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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Get current date in milliseconds
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There are several ways of doing this, although my personal favorite is:
CFAbsoluteTime timeInSeconds = CFAbsoluteTimeGetCurrent();
You can read more about this method here. You can also create a NSDate object and get time by calling timeInterval...