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How to change the default charset of a MySQL table?

...stmt`; END$$ CREATE PROCEDURE `change_character_set`(IN `charset` VARCHAR(64), IN `collation` VARCHAR(64)) BEGIN DECLARE `done` BOOLEAN DEFAULT FALSE; DECLARE `tab_name` VARCHAR(64); DECLARE `charset_cursor` CURSOR FOR SELECT `table_name` FROM `information_schema`.`tables` WHERE `table_sch...
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How to profile a bash shell script slow startup?

... + gzip /tmp/test.tar 0.637042668 + rm /tmp/test.tar.gz 0.000823649 + (( 1 )) 0.000011314 + (( i-- )) 0.000006915 + tar -cf /tmp/test.tar -C / bin 0.016084482 + gzip /tmp/test.tar 0.627798263 + rm /tmp/test.tar.gz 0.001294946 + (( 1 )) 0.000...
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How to extract the year from a Python datetime object?

...ey thing to note is that the time components can differ between 32-bit and 64-bit pythons in some python versions (2.5.x tree I think). So you will find things like hour/min/sec on some 64-bit platforms, while you get hour/minute/second on 32-bit. ...
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Pandas groupby: How to get a union of strings

... 1 0.749065 This 1 2 0.301084 is 2 3 0.463468 a 3 4 0.643961 random 4 1 0.866521 string 5 2 0.120737 ! In [6]: df.dtypes Out[6]: A int64 B float64 C object dtype: object When you apply your own function, there is not automatic exclusions of non-numeri...
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Why would I ever use push_back instead of emplace_back?

...f an implicit constructor is the conversion from std::uint32_t to std::uint64_t. A bad example of an implicit conversion is double to std::uint8_t. We want to be cautious in our programming. We do not want to use powerful features because the more powerful the feature, the easier it is to accidenta...
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Javascript parseInt() with leading zeros

... The issue seems to have changed now in most browsers. Firefox 51.0.1 (64-bit) parseInt("09") // 9 Chrome 55.0.2883.95 (64-bit) parseInt("09") // 9 Safari 10.0 (12602.1.50.0.10) parseInt("09") // 9 ===== Recommended Practice Having said that, just to be on the safer side and to ...
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?

...g/fileformat.html, which says numbers are stored as compact varints / float64, and only blob and text is stored as strings – phiresky May 17 '19 at 10:12 add a comment ...
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Determine which MySQL configuration file is being used

...qld. Among all the other system calls, you will find something like: stat64("/etc/my.cnf", 0xbfa3d7fc) = -1 ENOENT (No such file or directory) stat64("/etc/mysql/my.cnf", {st_mode=S_IFREG|0644, st_size=4227, ...}) = 0 open("/etc/mysql/my.cnf", O_RDONLY|O_LARGEFILE) = 3 So, as you can see.....
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Upload failed You need to use a different version code for your APK because you already have one wit

... user2407334user2407334 64711 gold badge77 silver badges1111 bronze badges ...
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE

...integer/app_version_code" app.xml: <integer name="app_version_code">64</integer> This wasn't a problem in prior versions of adb, however, as of platform-tools r16 this is no longer being resolved to the proper integer. You can either force the re-install using adb -r or avoid the iss...