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How to call a function from a string stored in a variable?
...
Yes, it is possible:
function foo($msg) {
echo $msg."<br />";
}
$var1 = "foo";
$var1("testing 1,2,3");
Source: http://www.onlamp.com/pub/a/php/2001/05/17/php_foundations.html?page=2
share
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Reordering of commits
...are straightforward. Let's start by manipulating branch A.
git rebase -i <SHA1 of commit a>^ branchA
The ^ means the previous commit, so this command says to rebase branch A using the commit before "a" as the base. Git will present you with a list of the commits in this range. Reorder them ...
How to find the key of the largest value hash?
...e efficient way will be to sort the hash once and then get the desired results.
def descend_sort(hash)
hash = hash.sort_by {|k,v| v}.reverse
end
Key of largest value
puts *hash[0][0]
Get max and min
puts *hash[0], *hash[hash.length-1]
2nd largest key value pair
Hash[*hash[1]]
To conve...
Chrome, Javascript, window.open in new tab
... in what you define as a “user initiated event” keeps the browser default action. By that I mean that if in Chrome you hold shift on chrome and click a new browser window will appear, if you hold ctrl (or press the middle mouse button) a new tab will open in background. Which is very nice, you c...
How can I run MongoDB as a Windows service?
... trying for several hours, I finally did it.
Make sure that you added the <MONGODB_PATH>\bin directory to the system variable PATH
First I executed this command:
D:\mongodb\bin>mongod --remove
Then I executed this command after opening command prompt as administrator:
D:\mongodb\bin>mon...
How do I show the changes which have been staged?
...ith git difftool --staged rather than git diff --staged to launch the default visual diff tool on each file. difftool can be substituted for diff with any other arguments as well.
– LightCC
Aug 14 '17 at 23:03
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How to read a single character from the user?
... @Evan, that's because python is in line buffered mode by default
– John La Rooy
Oct 13 '09 at 11:09
3
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JSON serialization of Google App Engine models
...erty()
title = db.StringProperty()
description = db.StringProperty(multiline=True)
date_taken = db.DateTimeProperty()
date_uploaded = db.DateTimeProperty(auto_now_add=True)
album = db.ReferenceProperty(Album, collection_name='photo')
from django.utils import simplejson
from google.ap...
Remove all unused resources from an android project
...an easily search for unused resources from Android Studio. Just press CtrlAltShifti and type "unused resources" (without quotes). That will execute lint. Super easy way to run lint commands (and other stuff from IDE).
OR
In Android Studio Menu > Refactor > Remove Unused Resources...
Select ...
How can I determine whether a Java class is abstract by reflection
...her someClass.getModifiers() or SomeClass.class.getModifiers() where Class<SomeClass> someClass = SomeClass.class;
– neXus
Jan 23 '19 at 14:48
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