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How to fix “Headers already sent” error in PHP
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summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
setcookie / setrawcookie
Output can be:
Unint...
Why do I have to access template base class members through the this pointer?
...known.
Long answer: when a compiler sees a template, it is supposed to perform certain checks immediately, without seeing the template parameter. Others are deferred until the parameter is known. It's called two-phase compilation, and MSVC doesn't do it but it's required by the standard and impleme...
How can I use jQuery to make an input readonly?
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Disabled inputs do not get submitted on form post/get.
– Nielsvh
Jun 27 '16 at 15:55
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git ignore exception
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See also answer form @Matiss Jurgelis - it's important addition
– Dan
Aug 6 '15 at 10:08
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How to view files in binary from bash?
... This has the advantage over "hexdump" that it also shows the ASCII form on the side, making it easier to identify the location I want to look at.
– Paŭlo Ebermann
Mar 5 '18 at 12:46
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How to drop unique in MySQL?
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DROP INDEX column_name ON table_name
Select the database and query form the sql tab.This removes the index of the particular column. It worked for me in PHP MyADMIN
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Joining three tables using MySQL
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For normalize form
select e1.name as 'Manager', e2.name as 'Staff'
from employee e1
left join manage m on m.mid = e1.id
left join employee e2 on m.eid = e2.id
s...
How do I get the value of a textbox using jQuery?
... find.what if you were using the field name and not id for identifying the form field. You do it like this:
For radio button:
var inp= $('input:radio[name=PatientPreviouslyReceivedDrug]:checked').val();
For textbox:
var txt=$('input:text[name=DrugDurationLength]').val();
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Intellij idea subversion checkout error: `Cannot run program “svn”`
...th SVN 1.8, you have to install SVN command line client. Please see more information here:
Unlike its earlier versions, Subversion 1.8 support uses the native command line client instead of SVNKit to run commands. This approach is more flexible and makes the support of upcoming versions much eas...
Regex for quoted string with escaping quotes
...Perl 5.22.0 installed.
As an optimization, this regex uses the 'posessive' form of both + and * to prevent backtracking, for it is known beforehand that a string without a closing quote wouldn't match in any case.
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