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What are DDL and DML?
...
More information see here: MySQL What is DDL, DML and DCL?, the original is as follows:
DDL
DDL is short name of Data Definition Language, which deals with
database schemas and descriptions, of how the data should resid...
Subtract days from a date in JavaScript
...r release. Please refer to momentjs.com/guides/#/warnings/js-date for more info.
– Switch
Dec 26 '19 at 12:30
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How can I delete all unversioned/ignored files/folders in my working copy?
...urn value if the
# current directory is not in a svn working directory
svn info >/dev/null || exit 1
svn status --no-ignore | grep '^[I?]' | cut -c 9- |
# setting IFS to the empty string ensures that any leading or
# trailing whitespace is not trimmed from the filename
while IFS= read -r f; do
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Facebook Graph API, how to get users email?
...ID;
// console.log(userId);
console.log('login');
getUserInfo(userId);
}else{
// setElements(false);
console.log('not logged in !');
}
}
This also has the userid which is being set to variable, then a getUserInfo func is called to fetch user information usi...
How to check if a word is an English word with Python?
... and British English word lists as /usr/share/dict/*-english. The package info gives wordlist.sourceforge.net as a reference.
– intuited
Sep 24 '10 at 16:45
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Weak and strong property setter attributes in Objective-C
... and the child retains the parent so neither is ever released).
The 'toll free bridging' part (casting from NS to CF) is a little tricky. You still have to manually manage CFRelease() and CFRetain() for CF objects. When you convert them back to NS objects you have to tell the compiler about the r...
What does “use strict” do in JavaScript, and what is the reasoning behind it?
...out what refactoring I should do in the future. My goal is to be red mark free due to all of my missing "use strict" statements, but that is years away now.
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Android: Storing username and password?
...or the user to have to re-enter their name/password often, so storing that info makes sense from a usability perspective.
The advice from the (Android dev guide) is:
In general, we recommend minimizing the frequency of asking for user
credentials -- to make phishing attacks more conspicuous,...
Copy entire contents of a directory to another using php
... page that helped me tweak the copy command: UNIX cp explained. Additional info: PHP >=5.3 offers some nice iterators
– maxpower9000
Nov 6 '15 at 9:47
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Sending a mail from a linux shell script
...ion for in a bash script:
mailbody="Testmail via bash script"
echo "From: info@myserver.test" > /tmp/mailtest
echo "To: john@mywebsite.test" >> /tmp/mailtest
echo "Subject: Mailtest subject" >> /tmp/mailtest
echo "" >> /tmp/mailtest
echo $mailbody >> /tmp/mailtest
cat /tm...