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How are echo and print different in PHP? [duplicate]
...and a ", 1, 2, 3; // comma-separated without parentheses
echo ("and a 123"); // just one parameter with parentheses
print() can only take one parameter:
print ("and a 123");
print "and a 123";
share
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Django DB Settings 'Improperly Configured' Error
...
Jacob YoungJacob Young
12311 silver badge55 bronze badges
...
Simple insecure two-way data “obfuscation”?
...leAES
{
// Change these keys
private byte[] Key = __Replace_Me__({ 123, 217, 19, 11, 24, 26, 85, 45, 114, 184, 27, 162, 37, 112, 222, 209, 241, 24, 175, 144, 173, 53, 196, 29, 24, 26, 17, 218, 131, 236, 53, 209 });
// a hardcoded IV should not be used for production AES-CBC code
// ...
Regular expression to match standard 10 digit phone number
...^(\+\d{1,2}\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4}$
Matches the following
123-456-7890
(123) 456-7890
123 456 7890
123.456.7890
+91 (123) 456-7890
If you do not want a match on non-US numbers use
^(\+0?1\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4}$
Update :
As noticed by user Simon Weaver below, if y...
Replace multiple characters in one replace call
... double click/cscript/wscript: var chars = {a:'1', b:'2', c:'3'}; var s = '123abc123'; var u = s.replace(/[abc]/g, function(m) { return chars[m]; }); WScript.echo(u);
– Dmitry
Jun 15 '18 at 20:52
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Hidden Features of VB.NET?
...5b" Like "a[L-P]#[!c-e]"
' The following statement returns True (does "BAT123khg" begin with a'
' "B", followed by any single character, followed by a "T", and end'
' with zero or more characters of any type?)'
testCheck = "BAT123khg" Like "B?T*"
' The following statement returns False (does...
java.util.regex - importance of Pattern.compile()?
...ch is really called a lot :)
public class AmountValidator {
//Accept 123 - 123,456 - 123,345.34
private static final String AMOUNT_REGEX="\\d{1,3}(,\\d{3})*(\\.\\d{1,4})?|\\.\\d{1,4}";
//Compile and save the pattern
private static final Pattern AMOUNT_PATTERN = Pattern.compile(AM...
How can I call controller/view helper methods from the console in Ruby on Rails?
...the helper object:
$ ./script/console
>> helper.number_to_currency('123.45')
=> "R$ 123,45"
If you want to use a helper that's not included by default (say, because you removed helper :all from ApplicationController), just include the helper.
>> include BogusHelper
>> helper...
Reshaping data.frame from wide to long format
... 1952 10,058
7: AFG Afghanistan 1953 23,557
8: ALB Albania 1953 11,123
9: AFG Afghanistan 1954 24,555
10: ALB Albania 1954 12,246
Some alternative notations:
melt(setDT(wide), id.vars = 1:2, variable.name = "year")
melt(setDT(wide), measure.vars = 3:7, variable.name = "year")
melt...
如何实现设置用户头像功能呢？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...面的组件可以实现，具体用法参考中文文档：https://www.fun123.cn/reference/components/media.html
App Inventor 2 发表于 2024-11-17 18:58
多媒体下面的组件可以实现，具体用法参考中文文档：https://www.fun123.cn/reference/components/media.h ...
这...