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How do I change the data type for a column in MySQL?
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http://dev.mysql.com/doc/refman/5.1/en/alter-table.html
ALTER TABLE tablename MODIFY columnname INTEGER;
This will change the datatype of given column
Depending on how many columns you wish to modify it might be best to generate a script, or use some kind of mysql client GUI...
How do you reset the stored credentials in 'git credential-osxkeychain'?
...h variable to true, as described at http://git-scm.com/docs/gitcredentials.html. Note that changing this setting will ask your credentials again for each URL.
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What is the current choice for doing RPC in Python? [closed]
... parse untrusted or unauthenticated data see docs.python.org/2/library/xml.html#xml-vulnerabilities
– AmaChefe
Aug 10 '17 at 15:17
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Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
...构（不需要显示所有元素）：
所有文本元素都可以用HTML标签格式化。可以使用哪些HTML标签取决于Android系统的实现。有关提示，请参见：
Mark Murphy’s Technical Stuff
Daniel Lew’s Coding Thoughts
关于权限
Android...
How do I tell Git to ignore everything except a subdirectory?
...o the top git directory by starting the pattern with a slash:
/*
!/public_html
!/.gitignore
Instead of ignoring all files it will only ignore top level files, not the ones in the directory you dont want to ignore.
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Cast int to varchar
...g to the MySQL docs (http://dev.mysql.com/doc/refman/5.5/en/cast-functions.html#function_cast) you can only cast to:
BINARY[(N)]
CHAR[(N)]
DATE
DATETIME
DECIMAL[(M[,D])]
SIGNED
[INTEGER]
TIME
UNSIGNED [INTEGER]
I think your best-bet is to use CHAR.
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Internet Explorer 11 detection
...Steffy This is just to show the result(!) of the operation. You can open a HTML file and add script tag and run the command inside that script. Here run this.
– Royi Namir
Oct 13 '15 at 7:53
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not None test in Python [duplicate]
... @evolvedmicrobe From the dis doc (https://docs.python.org/3/library/dis.html), COMPARE_OP performs the boolean operation corresponding to the tuple dis.cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is', 'is not', 'exception match', 'BAD'). So COMPARE_OP 9 performs is no...
How to find a hash key containing a matching value
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According to ruby doc http://www.ruby-doc.org/core-1.9.3/Hash.html#method-i-key key(value) is the method to find the key on the base of value.
ROLE = {"customer" => 1, "designer" => 2, "admin" => 100}
ROLE.key(2)
it will return the "designer".
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Java: function for arrays like PHP's join()?
...ner class: http://docs.oracle.com/javase/8/docs/api/java/util/StringJoiner.html
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