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How to search contents of multiple pdf files?
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oh that's cool, glad to know there are advantages to this even though it is much less obvious to most people wtf it is doing
– sjr
Oct 16 '13 at 4:30
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How to check with javascript if connection is local host?
...ple snipped works perfect for me on localhost and production. My software knows weather to serve ads - or not, with 1 simple line of code. Thanks OP.
– Andy
Mar 17 '17 at 20:33
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Implementing MVC with Windows Forms
...e CAB was a set of sample code from Microsoft on how to build apps - it is now mostly history.
– Ian Ringrose
Nov 28 '13 at 10:28
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How To Set A JS object property name from a variable
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Also note that @ChilNut's response below now describes the easiest way of doing this using ES6
– rambossa
Jan 28 '16 at 14:34
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Max length UITextField
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Thanks, you can use now textField.text?.characters.count since countElements has been changed.
– Anibal R.
Jul 8 '16 at 21:14
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mongodb: insert if not exists
... specify what data you want to write:
data = {"$set":{"key2":"value2"}}
Now your selected document will update the value of "key2" only and leave everything else untouched.
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How can mixed data types (int, float, char, etc) be stored in an array?
...eger int_;
real real_;
} record;
enum types { INVALID, INT, REAL };
Now it may appear that we're repeating ourselves, and we are. But consider that this definition is likely to be isolated to a single file. But we've eliminated the noise of specifiying the intermediate .val. before you get to...
How to set auto increment primary key in PostgreSQL?
...plog_adfarm_seq'),
'Will the smart cookies catch the crumb? Find out now!'
);
Step 4, observe the rows
el@defiant ~ $ psql -U pgadmin -d kurz_prod -c "select * from splog_adfarm"
splog_key | splog_value
----------+--------------------...
When to use volatile with multi threading?
...e semantics on volatile variables.
[Update for C++11]
The C++11 Standard now does acknowledge multithreading directly in the memory model and the lanuage, and it provides library facilities to deal with it in a platform-independant way. However the semantics of volatile still have not changed. v...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...avoid for large data, and why := and set() were introduced to data.table.
Now, with our copied newDT we can modify it by reference :
newDT
# a b
# [1,] 1 11
# [2,] 2 200
newDT[2, b := 400]
# a b # See FAQ 2.21 for why this prints newDT
# [1,] 1 11
# [2,] 2 400
.Internal(in...