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Extract substring in Bash
Given a filename in the form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable.
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Check if a string matches a regex in Bash script
...r-- --month-- --day-- |
# | either 01...09 either 01..09 end of line
# start of line or 10,11,12 or 10..29
# or 30, 31
That is, you can define a regex in Bash matching the format you wan...
Python: json.loads returns items prefixing with 'u'
I'll be receiving a JSON encoded string form Obj-C, and I am decoding a dummy string (for now) like the code below. My output comes out with character 'u' prefixing each item:
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How do I convert from int to String?
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NumberFormatter would be a better approach
– Kasturi
Nov 5 '10 at 13:47
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SSMS插件开发指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...mmands)
//{
// richTextBox1.AppendText(String.Format("Name = {0} | GUID = {1} | ID = {2}", cmd.Name, cmd.Guid, cmd.ID) + Environment.NewLine);
//}
}
ShellUtilities.cs代码如下：
using System;
using System.Collections.Generic;
using System....
CSS Box Shadow - Top and Bottom Only [duplicate]
...ection.
Have a look at http://www.css3.info/preview/box-shadow/ for more information about box-shadow.
Hope this was what you were looking for!
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Modulo operation with negative numbers
...n modulo, not %.
I was expecting a positive result every time.
To perform a Euclidean modulo that is well defined whenever a/b is defined, a,b are of any sign and the result is never negative:
int modulo_Euclidean(int a, int b) {
int m = a % b;
if (m < 0) {
// m += (b < 0) ? -b ...
How to pretty-print a numpy.array without scientific notation and with given precision?
...suppress=True):
print(x)
# [ 0.073 0.461 0.689 0.754 0.624 0.901 0.049 0.582 0.557 0.348]
But outside the with-suite the print options are back to default settings:
print(x)
# [ 0.07334334 0.46132615 0.68935231 0.75379645 0.62424021 0.90115836
# 0.04879837 0.58207504 ...
Why does a return in `finally` override `try`?
...in the behaviour of statements (break, continue, return and throw) that perform nonlocal transfers of control. Values of the Completion type are triples of the form (type, value, target), where type is one of normal, break, continue, return, or throw, value is any ECMAScript language value or empty,...
Get the new record primary key ID from MySQL insert query?
...se the LAST_INSERT_ID() function: http://dev.mysql.com/doc/refman/5.0/en/information-functions.html#function_last-insert-id
Eg:
INSERT INTO table_name (col1, col2,...) VALUES ('val1', 'val2'...);
SELECT LAST_INSERT_ID();
This will get you back the PRIMARY KEY value of the last row that you inser...