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Windows shell command to get the full path to the current directory?
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That does the wrong thing - finds the path of the batch script, not the current directory.
– Harry Johnston
Feb 9 '15 at 23:47
2
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Difference between break and continue in PHP?
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break used to get out from the loop statement, but continue just stop script on specific condition and then continue looping statement until reach the end..
for($i=0; $i<10; $i++){
if($i == 5){
echo "It reach five<br>";
continue;
}
echo $i . "<br>";
}...
String difference in Bash
...trying to find a way to determine the difference between two strings in my script. I could easily do this with diff or comm, but I'm not dealing with files and I'd prefer not to output them to files, do the compare and read it back.
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Copy folder structure (without files) from one location to another
... with getconf ARG_MAX.) With a lot of directories, you may have to write a script to loop through the output instead.
– palswim
Oct 13 '15 at 21:26
1
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How to create a date object from string in javascript [duplicate]
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Beware of Javascript silently returning a completely different date than the one parsed, if the parsed date happens not to be valid (such as February 30).
– jforberg
Aug 21 '14 at 13:52
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Declare multiple module.exports in Node.js
... function() {};
exports.otherMethod = function() {};
Then in the calling script:
const myModule = require('./myModule.js');
const method = myModule.method;
const otherMethod = myModule.otherMethod;
// OR:
const {method, otherMethod} = require('./myModule.js');
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django import error - No module named core.management
...age.py.
The first line should define the python executable used to run the script.
This should be the path to your virtualenv's python, but it is something wrong like /usr/bin/python, which is not the same path and will use the global python environment (and packages will be missing).
Just change th...
Deleting all files from a folder using PHP?
...he full path is "/var/www/html/folder_and_files_to_delete/" And the delete script is placed in "/var/www/html/delete_folders_and_files.php". Can I just take "folder_and_files_to_delete" as path?
– yoano
Mar 31 '16 at 17:58
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
I am using Python-2.6 CGI scripts but found this error in server log while doing json.dumps() ,
15 Answers
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How to add a primary key to a MySQL table?
...dd the primary key:
ALTER TABLE goods ADD PRIMARY KEY(id)
As to why your script wasn't working, you need to specify PRIMARY KEY, not just the word PRIMARY:
alter table goods add column `id` int(10) unsigned primary KEY AUTO_INCREMENT;
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