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Javascript 2021-11-06 10:56:14
js is number
//Updated dec 2020 // The first 2 Variations return a Boolean // They just work the opposite way around // IsInteger if (Number.isInteger(val)) { // It is indeed a number } // isNaN (is not a number) if (isNaN(val)) { // It is not a number } // Anoth... Add solution -
Other 2021-11-06 08:56:08
can not open .dev websites pow
1. I used command scutil --dns which returned current resolvers configuration 2. There was entry: resolver #8 domain : dev nameserver[0] : 127.0.0.1 flags : Request A records, Request AAAA records reach : 0x00030002 (Reachable,Local Addre... Add solution -
SQL 2021-11-05 02:35:10
just installed mysql password
$ sudo cat /etc/mysql/debian.cnf Note the lines which read: user = debian-sys-maint password = blahblahblah Then: $ mysql -u debian-sys-maint -p Enter password: // type 'blahblahblah', ie. password from debian.cnf mysql> USE mysql mysql> SELE... Add solution -
SQL 2021-11-03 04:31:13
delete row mssql
DELETE FROM table_name WHERE condition; -- Note: Be careful when deleting records in -- a table! Notice the WHERE clause in the DELETE -- statement. The WHERE clause specifies which record(s) -- should be deleted. If you omit the WHERE clause, all rec... Add solution -
Python 2021-10-28 13:01:08
numpy make 2d array 1d
import numpy as np # 1D array one_dim_arr = np.array([1, 2, 3, 4, 5, 6]) # to convert to 2D array # we can use the np.ndarray.reshape(shape) function # here shape is given by two integers seperated by a comma # the two integers specify m,n for the ne... Add solution -
Other 2021-10-28 04:40:07
functionalities of soap protocol class
--Call: A class which provides the main functionality for a remote method for which a call is needed. It is used to create the call() and to specify the encoding style of the registry that will be assigned when if necessary. This call() function is us... Add solution -
PHP 2021-10-26 20:28:14
php get request header
// Since PHP 5.4.0 you can use getallheaders function which returns all request headers as an associative array: var_dump(getallheaders()); // array(8) { // ["Accept"]=> // string(63) "text/html[...]" // ["Accept-Charse... Add solution -
Javascript 2021-10-26 19:50:10
stringbuffer javascript
Internet Explorer is the only browser which really suffers from this in today's world. (Versions 5, 6, and 7 were dog slow. 8 does not show the same degradation.) What's more, IE gets slower and slower the longer your string is. If you have long strings ... Add solution -
VBA 2021-10-26 11:52:13
vba random number
'VBA has the Rnd() function which returns a random single floating point value 'between 0 and 1, but not including 1. MsgBox Rnd '<--displays something like 0.74323 'To generate integer values between two integer numbers, use the following formula: ... Add solution -
Javascript 2021-10-25 16:14:08
freecodecamp caesars cipher
const rot13 = str => { let decodedCipher = '' // The number 65 represents A which also is the begining of our alphabets. // The number 90 represents Z which also is the end of our alphabets. // Space and any other non-alpha character is less t... Add solution
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