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PHP and MySQL - how to avoid password in source code? [duplicate]
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The easiest way is, like you said, to use a configuration file.
Many frameworks use this (Zend, CakePHP, Kohana, etc) and it's the most common way of doing things (even in a non-PHP environment such as ASP.NET with its web.config files). This allows you also to copy over configurat...
What exactly are DLL files, and how do they work?
How exactly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work.
9 A...
Cannot push to Heroku because key fingerprint
...d -D
Or delete a specific key with
ssh-add -d ~/.ssh/id_rsa_example_key_file_use_your_own
Don't worry! You aren't actually deleting the keys, only changing which ones ssh-agent automatically tries to use, for example, when you try to push to heroku. It's easy to add and delete keys as needed,...
When to use extern in C++
...declare the existence of global variables in a header, so that each source file that includes the header knows about it, but you only need to “define” it once in one of your source files.
To clarify, using extern int x; tells the compiler that an object of type int called x exists somewhere. It...
Is there replacement for cat on Windows
I need to join two binary files with a *.bat script on Windows.
11 Answers
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Check if application is on its first run [duplicate]
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private void checkFirstRun() {
final String PREFS_NAME = "MyPrefsFile";
final String PREF_VERSION_CODE_KEY = "version_code";
final int DOESNT_EXIST = -1;
// Get current version code
int currentVersionCode = BuildConfig.VERSION_CODE;
// Get saved version code
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Writing Unicode text to a text file?
I'm pulling data out of a Google doc, processing it, and writing it to a file (that eventually I will paste into a Wordpress page).
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Vim: Delete buffer without losing the split window
...current window (bn would work, too), then bd # ("buffer delete" "alternate file") deletes the buffer we just moved away from. See: help bp, help bd, help alternate-file.
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Rename MySQL database [duplicate]
... possible to copy database via mysqldump command without storing dump into file:
mysql -u root -p -e "create database my_new_database"
mysqldump -u root -p original_database | mysql -u root -p my_new_database
mysql -u root -p -e "drop database original_database"
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What is the difference between 'my' and 'our' in Perl?
...ors. Since Perl 5.6, it has replaced the obsolete use vars, which was only file-scoped, and not lexically scoped as is our.
For example, the formal, qualified name for variable $x inside package main is $main::x. Declaring our $x allows you to use the bare $x variable without penalty (i.e., without...