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Javascript: negative lookbehind equivalent?
...expressions? I need to match a string that does not start with a specific set of characters.
12 Answers
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Change a Git remote HEAD to point to something besides master
How do I set a Git remote's HEAD reference to point to something besides "master"?
11 Answers
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Efficient way to insert a number into a sorted array of numbers?
...Method:
~54 milliseconds
Second Method:
~57 seconds
So, at least on this setup, the native method doesn't make up for it. This is true even for small data sets, inserting 100 elements into an array of 1000:
First Method:
1 milliseconds
Second Method:
34 milliseconds
...
Generate an integer that is not among four billion given ones
...ID will only collide with one of the existing four billion integers in the set in less than one out of every 64 billion billion billion cases.
If integers are limited to 32 bits then one can generate a number that is likely to be unique in a single pass using much less than 10 MB. The odds that a ...
Choose newline character in Notepad++
...
For a new document: Settings -> Preferences -> New Document/Default Directory
-> New Document -> Format -> Windows/Mac/Unix
And for an already-open document: Edit -> EOL Conversion
...
Is there a way to specify how many characters of a string to print out using printf()?
Is there a way to specify how many characters of a string to print out (similar to decimal places in int s)?
8 Answers
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
... components] needed to capture 70-90% of the variance of the input data
set.
And yet the NN FAQ author calls these Rules "nonsense" (literally) because they: ignore the number of training instances, the noise in the targets (values of the response variables), and the complexity of the feature s...
Include headers when using SELECT INTO OUTFILE?
...override GROUP_CONCAT limit of 1024 characters to avoid a truncated result
set session group_concat_max_len = 1000000;
select GROUP_CONCAT(CONCAT("'",COLUMN_NAME,"'"))
from INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'my_table'
AND TABLE_SCHEMA = 'my_schema'
order BY ORDINAL_POSITION
Now you ca...
Create or write/append in text file
...filename) {
$this->file = $filename;
}
public function setTimestamp($format) {
$this->timestamp = date($format)." » ";
}
public function putLog($insert) {
if (isset($this->timestamp)) {
file_put_contents($this->file, $this-&...
Difference between signed / unsigned char [duplicate]
...a couple of cases where it is not:
If, in the target platform's character set, any of the characters required by standard C would map to a code higher than the maximum `signed char`, then `char` must be unsigned.
If `char` and `short` are the same size, then `char` must be signed.
Part of the reas...