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What does this symbol mean in JavaScript?
...w));
someFunction()() — Functions which return other functions
Two sets of parentheses after function call
=> — Equal sign, greater than: arrow function expression syntax
What's the meaning of "=>" (an arrow formed from equals & greater than) in JavaScript?
|> — P...
How to prevent ifelse() from turning Date objects into numeric objects
...t to retain is a factor
# Typecast the return object as.factor()
# Set its levels()
# Then check to see if it's also one or more classes in addition to "factor"
# If so, set the classes, which will preserve "factor" too
if (preserved_is_factor) {
return_obj <-...
PyLint “Unable to import” error - how to set PYTHONPATH?
... edited Jan 26 '18 at 22:30
Sethish
35322 silver badges1111 bronze badges
answered Jun 17 '10 at 19:46
Bri...
How to take backup of a single table in a MySQL database?
...ure for table accounts_contacts
DROP TABLE IF EXISTS `accounts_contacts`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `accounts_contacts` (
`id` varchar(36) NOT NULL,
`contact_id` varchar(36) default NULL,
`account_id` varchar(36) default NULL,
`date...
Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
...n a good way to import/migrate resque scheduled jobs to sidekiq's format? Setting sidekiq's namespace to 'resque' doesn't seem to pick up scheduled jobs from what I can tell. Thanks!
– Brian Armstrong
Aug 28 '13 at 23:58
...
Android: Remove all the previous activities from the back stack
... me:
Java
Intent i = new Intent(OldActivity.this, NewActivity.class);
// set the new task and clear flags
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(i);
Kotlin
val i = Intent(this, NewActivity::class.java)
// set the new task and clear flags
i.fla...
Changing the default header comment license in Xcode
... file named IDETemplateMacros.plist
Add a FILEHEADER value to the Root and set its string value with your copyright text like Copyright © 2017 ...
Copy the file to one of the following locations
For a single project and user
<ProjectName>.xcodeproj/xcuserdata/[username].xcuserdatad/IDETempl...
Generate list of all possible permutations of a string
...ion n in 1 to y:
index = (index[1], len(list))
for string s in list.subset(index[0] to end):
for character c in originalString:
list.add(s + c)
you'd then need to remove all strings less than x in length, they'll be the first (x-1) * len(originalString) entries in the list.
...
How to make fill height
...
Work for me in IE11 only when I also set div to inline-block. Thanks!
– Danny C
Sep 24 '15 at 12:06
5
...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...irst line of the file to the line where the previous context
mark has been set, minus one. Since the first :substitute command
stores the cursor position before starting actual replacements, the
line addressed by '' is the line that was the current one before
that substitution command was run. (The...