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how to solve “ruby installation is missing psych” error?
I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up:
...
Android Studio - debug keystore
... your gradle.build file which means your secrets might be disclosed (especially in repository commits). With this solution you get the control of using your own keystore and the magic of automation during debug and release builds.
1) Create a gradle.properties (if you don't already have one).
The...
Can you 'exit' a loop in PHP?
I have a loop that is doing some error checking in my PHP code. Originally it looked something like this...
6 Answers
...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...<- data.frame(a = 1:3, b = letters[1:3])
comparison <- compare(a1,a2,allowAll=TRUE)
comparison$tM
# a b
#1 1 a
#2 2 b
#3 3 c
The function compare gives you a lot of flexibility in terms of what kind of comparisons are allowed (e.g. changing order of elements of each vector, changing order a...
How to install latest (untagged) state of a repo using bower?
I have a very small repo in which I do all dev work in the master branch and use tags as "stable" points in history.
6 An...
PHP 5: const vs static
...nd private are irrelevant in terms of consts" - Why? Are consts by default all public? all private?
– Chris Jacob
Nov 8 '09 at 22:24
1
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Check if a div exists with jquery [duplicate]
...re using jQuery I don't see any reason to use getElementById, unless you really need the performance improvement (e.g. it's in a long loop or something, though I can't think of how this would come up, that you need to run thousands of select queries over and over). It's just much more verbose, over ...
HttpSecurity, WebSecurity and AuthenticationManagerBuilder
...icationManagerBuilder) is used to establish an authentication mechanism by allowing AuthenticationProviders to be added easily: e.g. The following defines the in-memory authentication with the in-built 'user' and 'admin' logins.
public void configure(AuthenticationManagerBuilder auth) {
auth
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Searching if value exists in a list of objects using Linq
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Because not all collections have Exists, and it does not take a lambda expression, but rather the object we are looking for itself.
– zvolkov
Jul 9 '14 at 12:10
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PHP Remove elements from associative array
...',
4 => 'Completed',
5 => 'Mark As Spam',
);
That would allow you to use your values of key as indexes to access the array...
And you'd be able to use functions to search on the values, such as array_search() :
$indexCompleted = array_search('Completed', $array);
unset($array[$...