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Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
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What is the difference between atomic and critical in OpenMP?
...d. We are referring to those cases that synchronization is necessary.
In order to synchronize the threads in a multi-threaded program, we'll use lock. When the access is required to be restricted by only one thread at a time, locks come into play. The lock concept implementation may vary from proc...
How to specify Composer install path?
...y1-plugin" package type. This is what my composer.json file looks like, in order for it to install both Symfony 1.4 (in lib/vendor) and plugins in (/plugins):
{
"config": {
"vendor-dir": "lib/vendor"
},
"repositories": {
"symfony": {
"type": "package",
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Is an HTTPS query string secure?
...lishing an SSL connection, your client will perform the following steps in order. Suppose you're trying to log in to a site named example.com and want to send your credentials using query parameters. Your complete URL may look like the following:
https://example.com/login?username=alice&passwor...
Convert a list of data frames into one data frame
...data.frame(data.table::rbindlist(listOfDataFrames)),
replications = 100, order = "relative",
columns=c('test','replications', 'elapsed','relative')
)
test replications elapsed relative
4 data.table_rbindlist 100 0.11 1.000
1 do.call ...
System.currentTimeMillis vs System.nanoTime
...fferent threads. Even if the events of the threads happen in a predictable order, the difference in nanoseconds can be positive or negative.
System.currentTimeMillis() is safe for use between threads.
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How to change a command line argument in Bash?
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so, in order to change $3, I must change $1 and $2 as well, is it? And change them to what? What does "reset" mean?
– Sriram
Jan 28 '11 at 11:31
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Is there a simple way to convert C++ enum to string?
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What I tend to do is create a C array with the names in the same order and position as the enum values.
eg.
enum colours { red, green, blue };
const char *colour_names[] = { "red", "green", "blue" };
then you can use the array in places where you want a human-readable value, eg
colour...
About “*.d.ts” in TypeScript
...e libraries for typescript projects, an alternate solution was needed.
In order to do this, you can provide type declaration file in javascript library named as *.d.ts, like in above case mylib.d.ts. Declaration file only provides type declarations of functions and variables defined in respective j...
Local and global temporary tables in SQL Server
...wever it turned out that the parent stored procedure had to create them in order for them to be available to the children stored procedure calls. This was a sad thing, because we have a bunch of stored procedures that have to set up the tables the same way and call down into common sprocs. Will glo...