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What is pseudopolynomial time? How does it differ from polynomial time?
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254
To understand the difference between polynomial time and pseudopolynomial time, we need to star...
What GRANT USAGE ON SCHEMA exactly do?
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edited May 3 '19 at 17:05
J_H
8,40911 gold badge1414 silver badges2929 bronze badges
answered Jun 27 '...
Hidden Features of MySQL
...e number of concurrent connections. The default value is 100 connections (151 since 5.0) - very small.
Note:
connections take memory and your OS might not be able to handle a lot of connections.
MySQL binaries for Linux/x86 allow you to have up to 4096 concurrent connections, but self compiled ...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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edited Apr 15 '13 at 10:38
answered Apr 14 '13 at 16:22
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MySQL - Make an existing Field Unique
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ALTER IGNORE TABLE mytbl ADD UNIQUE (columnName);
For MySQL 5.7.4 or later:
ALTER TABLE mytbl ADD UNIQUE (columnName);
As of MySQL 5.7.4, the IGNORE clause for ALTER TABLE is removed and
its use produces an error.
So, make sure to remove duplicate entries first as IGNORE key...
What regular expression will match valid international phone numbers?
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\+(9[976]\d|8[987530]\d|6[987]\d|5[90]\d|42\d|3[875]\d|
2[98654321]\d|9[8543210]|8[6421]|6[6543210]|5[87654321]|
4[987654310]|3[9643210]|2[70]|7|1)\d{1,14}$
Is the correct format for matching a generic international phone number. I replaced...
How to set Default Controller in asp.net MVC 4 & MVC 5
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Imad Alazani
6,22055 gold badges3030 silver badges5858 bronze badges
answered Jan 20 '13 at 16:30
Dave AlperovichDave A...
Cannot find executable for CFBundle CertUIFramework.axbundle
Just updated to Xcode 5 and this is the first error its throwing on the logger for all my apps. Can't seem to understand why this is happening.
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Self-references in object literals / initializers
...he only thing that I can tell you about are getter:
var foo = {
a: 5,
b: 6,
get c() {
return this.a + this.b;
}
}
console.log(foo.c) // 11
This is a syntactic extension introduced by the ECMAScript 5th Edition Specification, the syntax is supported by most modern bro...
xpath find if node exists
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Patrick McDonaldPatrick McDonald
57.9k1313 gold badges9494 silver badges115115 bronze badges
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