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How to explicitly discard an out argument?
...ly the case with the TryParse (or TryWhatever) pattern, when it is used to test the validity of user input (e.g. can it be parsed as a number?) without caring about the actual parsed value.
You used the word "dispose" in the question, which I suspect was just unfortunate - but if the out parameter...
Get all related Django model objects
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doesn't seem to cascade. haven't done enough testing around this particluar one to know the full differences, but see my answer for the cascading one.
– IMFletcher
Oct 15 '13 at 19:52
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Create a new database with MySQL Workbench
Being new to MySQL, I have installed the latest version of the MySQL Workbench (5.2.33). I would like to know how you can create a database with this application. In the Overview tab of the SQL editor there are few "MySQL Schema" displayed, are these schemas the existing databases?
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What's the most elegant way to cap a number to a segment? [closed]
..."Math" oriented approach ,but should also work , this way, the < / > test is exposed (maybe more understandable than minimaxing) but it really depends on what you mean by "readable"
function clamp(num, min, max) {
return num <= min ? min : num >= max ? max : num;
}
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Get specific line from text file using just shell script
...o use external tools, you can print line 5 with:
i=0; while read line; do test $((++i)) = 5 && echo "$line"; done < input-file
Note that this will print logical line 5. That is, if input-file contains line continuations, they will be counted as a single line. You can change this beha...
Replace non-numeric with empty string
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Adding a test to @Max-PC's benchmark code for the LINQ solution results in -- StringBuilder: 273ms, Regex: 2096ms, LINQ: 658ms. Slower than StringBuilder but still significantly faster than Regex. Given that that is benchmarking 1,000...
How to use random in BATCH script?
... you a random number between 0 and 32767.
Using an expression like SET /A test=%RANDOM% * 100 / 32768 + 1, you can change the range to anything you like (here the range is [1…100] instead of [0…32767]).
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Get string between two strings in a string
...AB” where A is from and B is until, so I removed + fromLength. I haven't tested it deeply though
– Adrian Iftode
Oct 16 '13 at 11:21
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How to find the extension of a file in C#?
...:
Directory.GetFiles(@"c:\mydir", "*.flv");
Or:
Path.GetExtension(@"c:\test.flv")
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How to use mongoimport to import csv
...0.1
imported 3 objects
$ mongo
MongoDB shell version: 1.7.3
connecting to: test
> use mydb
switched to db mydb
> db.things.find()
{ "_id" : ObjectId("4d32a36ed63d057130c08fca"), "Name" : "Jane Doe", "Address" : "123 Main St", "City" : "Whereverville", "State" : "CA", "ZIP" : 90210 }
{ "_id" : ...