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How to append to New Line in Node.js
... (given your H://log.txt file path).
Try using \r\n instead of just \n.
Honestly, \n is fine; you're probably viewing the log file in notepad or something else that doesn't render non-Windows newlines. Try opening it in a different viewer/editor (e.g. Wordpad).
...
How to convert a string to lower case in Bash?
... Bash"
for((i=0;i<${#word};i++))
do
ch="${word:$i:1}"
lc "$ch"
done
Note: YMMV on this one. Doesn't work for me (GNU bash version 4.2.46 and 4.0.33 (and same behaviour 2.05b.0 but nocasematch is not implemented)) even with using shopt -u nocasematch;. Unsetting that nocasematch causes [...
Access lapply index names inside FUN
...ment" (here the index) to the first argument not specified among the extra ones. In this case, I specify y and n, so there's only i left...
Which produces the following:
[[1]]
[1] "a 11"
[[2]]
[1] "b 12"
[[3]]
[1] "c 13"
UPDATE Simpler example, same result:
lapply(seq_along(x), function(i) pa...
Postgresql: Conditionally unique constraint
...r! Unintuitive that the "constraint" doesn't show up as a constraint, but nonetheless gives the desired error of ERROR: duplicate key value violates unique constraint "stop_myc"
– EoghanM
Apr 26 '13 at 17:08
...
Collections.emptyList() returns a List?
...thod existed with different parameters, you might end up calling the wrong one. And the second one might not even exist yet...
– Bill Michell
Nov 25 '08 at 13:47
13
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How can I list all foreign keys referencing a given table in SQL Server?
...
Not sure why no one suggested but I use sp_fkeys to query foreign keys for a given table:
EXEC sp_fkeys 'TableName'
You can also specify the schema:
EXEC sp_fkeys @pktable_name = 'TableName', @pktable_owner = 'dbo'
Without specifying t...
Specify format for input arguments argparse python
...he answer above, you can use a lambda function if you want to keep it to a one-liner. For example:
parser.add_argument('--date', type=lambda d: datetime.strptime(d, '%Y%m%d'))
Old thread but the question was still relevant for me at least!
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Why does sizeof(x++) not increment x?
...tion, for instance if you read N from stdin and make int array[N]. This is one of C99 features, unavailable in C++.
– Kos
Nov 22 '11 at 11:23
...
How do I shutdown, restart, or log off Windows via a bat file?
...sers.
I want to make sure some other really good answers are also mentioned along with this one. Here they are in no particular order.
The -f option from JosephStyons
Using rundll32 from VonC
The Run box from Dean
Remote shutdown from Kip
...
How to quickly and conveniently disable all console.log statements in my code?
...if the debugger has those special methods or not (ie, IE) and zero out the ones it does not support:
if(window.console && !console.dir){
var methods = ["dir", "dirxml", "trace", "profile"]; //etc etc
for(var i=0;i<methods.length;i++){
console[methods[i]] = function(){};
}...