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how to get first three characters of an NSString?
... Just use mystr = [mystr substringToIndex:MIN(mystr.length, 3)] to avoid crashes :-)
– LaborEtArs
May 22 '17 at 9:29
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Can I use multiple “with”?
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Try:
With DependencedIncidents AS
(
SELECT INC.[RecTime],INC.[SQL] AS [str] FROM
(
SELECT A.[RecTime] As [RecTime],X.[SQL] As [SQL] FROM [EventView] AS A
CROSS JOIN [Incident] AS X
WHERE
patindex(...
What is the maximum length of data I can put in a BLOB column in MySQL?
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A BLOB can be 65535 bytes (64 KB) maximum.
If you need more consider using:
a MEDIUMBLOB for 16777215 bytes (16 MB)
a LONGBLOB for 4294967295 bytes (4 GB).
See Storage Requirements for String Types for more info.
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PDO closing connection
...nnections in a script that runs for a long period you can purposely (or accidentally) have connections killed with a timeout (e.g. in my.ini), or for a number of other reasons. When connecting or running a query, catch any error, and if it is "MySQL has gone away", attempt to connect again or run th...
Detecting iOS / Android Operating system
...des on a page, I'd like to detect the current operating system (Apple/Android/Other[not supported]) and modify my elements based on that value.
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How do I convert a string to a number in PHP?
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There are times that you need to pass the integer to file system, it is not a good idea to wait for PHP to do the conversion for you.
– AaA
Jan 27 '19 at 14:49
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NumPy or Pandas: Keeping array type as integer while having a NaN value
...2
2 3
3 NaN
dtype: object
For cosmetic reasons, e.g. output to a file, this may be preferable.
Pandas v0.23 and earlier: background
NaN is considered a float. The docs currently (as of v0.23) specify the reason why integer series are upcasted to float:
In the absence of high performa...
Reuse a parameter in String.format?
...d numeric types have the following syntax:
%[argument_index$][flags][width][.precision]conversion
The optional argument_index is a decimal integer indicating the position of the argument in the argument list. The first argument is referenced by "1$", the second by "2$", etc.
String....
Formatting Phone Numbers in PHP
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Great library, but note that it is 37 MB and 1500 files! In my case, I have a limited number of phone numbers to format, so I decided to just add a number_formatted column in my database and manually enter the formatted numbers. Still use libphonenumber locally to generate t...
Symbol for any number of any characters in regex?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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