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Parsing CSV files in C#, with header
...ally map field headers, expecting instead that the columns are in the same order as the fields are declared in your type. I wouldn't use it, personally.
– Alastair Maw
Sep 20 '19 at 11:11
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mysqldump - Export structure only without autoincrement
...regex is not correct. As p91paul noted the g modifier needs to be added in order to replace all occurrences. Use @JohnW solution instead.
– Aalex Gabi
May 20 '16 at 12:37
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Recover unsaved SQL query scripts
...xecquery
CROSS APPLY sys.dm_exec_sql_text(execquery.sql_handle) AS execsql
ORDER BY execquery.last_execution_time DESC
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Type-juggling and (strict) greater/lesser-than comparisons in PHP
...tors deviate from the computer-scientific definitions in several ways:
In order to constitute an equivalence relation == has to be reflexive, symmetric and transitive:
PHP's == operator is not reflexive, i.e. $a == $a is not always true:
var_dump(NAN == NAN); // bool(false)
Note: The fact that...
unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
...has a VERY easy workaround.
So, this is just me posting the fix here, in order to maximize the probability that someone else does a search for this confusing error message, and finds this answer.
So, here it is. In our case, we had an Objective-C project using a mix of Swift and Objective-C frame...
When is -XAllowAmbiguousTypes appropriate?
...d f, and from those we should be able to follow functional dependencies in order to disambiguate all the other types used in the context, namely sup and fi. And indeed, the f -> internal functional dependency in SyntacticN uses our f to disambiguate our fi, and thereafter the f -> sig sym func...
How do I import CSV file into a MySQL table?
... Here are the steps:
Prepare the CSV file to have the fields in the same order as the MySQL table fields.
Remove the header row from the CSV (if any), so that only the data is in the file.
Go to the phpMyAdmin interface.
Select the table in the left menu.
Click the import button at the top.
Browse...
Sorting list based on values from another list?
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good solution! But it should be: The list is ordered regarding the first element of the pairs, and the comprehension extracts the 'second' element of the pairs.
– MasterControlProgram
Oct 6 '17 at 14:31
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How do I concatenate two text files in PowerShell?
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For me the cat command runs multiple orders of magnitude longer than the cmd /c command (which runs really quick); thanks for pointing out the option!
– Rob
Aug 13 '14 at 12:23
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ALTER TABLE to add a composite primary key
...t it after you recreate the primary key.
Also, when using composite keys, order is important.
These
1) ALTER TABLE provider ADD PRIMARY KEY(person,place,thing);
and
2) ALTER TABLE provider ADD PRIMARY KEY(person,thing,place);
are not the the same thing.
They both enforce uniqueness on that set ...