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MySQL Cannot drop index needed in a foreign key constraint

... You have to drop the foreign key. Foreign keys in MySQL automatically create an index on the table (There was a SO Question on the topic). ALTER TABLE mytable DROP FOREIGN KEY mytable_ibfk_1 ; share | ...
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Interfacing with structs and anonymous unions with c2hs

...You would have to do this patch for each version of the lib. struct monome_event { monome_t *monome; monome_event_type_t event_type; /* __extension__ for anonymous unions in gcc */ __extension__ union { struct me_grid { unsigned int x; unsigned int y...
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How to cherry pick a range of commits and merge into another branch?

...ue". or skip this patch, and instead run "git rebase --skip" or cancel the all thing with a "git rebase --abort" (and put back the integration branch on the tmp branch) After that rebase --onto, integration will be back at the last commit of the integration branch (that is "tmp" branch + all the re...
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Setting default value for TypeScript object passed as argument

... Actually, there appears to now be a simple way. The following code works in TypeScript 1.5: function sayName({ first, last = 'Smith' }: {first: string; last?: string }): void { const name = first + ' ' + last; console.log(na...
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instantiate a class from a variable in PHP?

...you work with namespace, put the current namespace into the string: $var = __NAMESPACE__ . '\\' . $var . 'Class'; – bastey Sep 2 '13 at 13:28 ...
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Difference between app.all('*') and app.use('/')

Is there a useful difference between app.all('*', ... ) and app.use('/', ...) in Node.JS Express? 7 Answers ...
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Java FileReader encoding issue

...to a string, but I found the result is wrongly encoded and not readable at all. 6 Answers ...
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How to POST JSON Data With PHP cURL?

...re indicating Content-Type:application/json, but you are not json-encoding all of the POST data -- only the value of the "customer" POST field. Instead, do something like this: $ch = curl_init( $url ); # Setup request to send json via POST. $payload = json_encode( array( "customer"=> $data ) );...
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How to inspect the return value of a function in GDB?

...4-yellowdog-linux-gnu"... (no debugging symbols found) Using host libthread_db library "/lib64/libthread_db.so.1". (gdb) break __libc_start_main Breakpoint 1 at 0x10013cb0 (gdb) r Starting program: /bin/ls (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) (no de...
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Convert from List into IEnumerable format

How shall I do in order to convert _Book_List into IEnumerable format? 6 Answers 6...