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Various ways to remove local Git changes
...ind using git reset --hard. I tried it out, and yes.. those files added to index(staging) were removed only after git reset --hard, and i assume by default git reset --hard is git reset --hard head. This link was also helpful gitready.com/beginner/2009/01/18/the-staging-area.html
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How to get record created today by rails activerecord?
...ws.
Typically, if you perform lookups based on created_at column, add an index on the table in your migration file.
add_index :posts, :created_at
Now, to lookup records created today:
Rails 3/4
Post.where("created_at >= ?", Time.zone.now.beginning_of_day)
To lookup posts created on a spe...
mongodb find by multiple array items
...nother way to do this in mangodb support page docs.mongodb.org/manual/core/indexes/#indexes-on-sub-documents and docs.mongodb.org/manual/core/indexes/#multikey-indexes
– Vivek Bajpai
Apr 1 '13 at 12:49
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Modify tick label text
...e axis. Notice that pos takes values starting in 1, not in 0 as usual when indexing.
In my case, I was trying to format the y-axis of a histogram with percentage values. mticker has another class named PercentFormatter that can do this easily without the need to define a separate function as befo...
What is the difference between trie and radix trie data structures?
...Because in TRIE if you wan to search the next char you need to see the ith index in the child array of the current node but in radix tree you need search for all the child nodes sequentially. See the implementation code.google.com/p/radixtree/source/browse/trunk/RadixTree/src/…
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Is it possible only to declare a variable without assigning any value in Python?
...ng* with value here
#we can just start using it right inside the loop
for index in sequence:
if conditionMet:
value = index
break
try:
doSomething(value)
except NameError:
print "Didn't find anything"
It's a little difficult to tell if that's really the right style to us...
Set element focus in angular way
...how I could conditionally set a focus function for <input> based on $index for example?
– Garret Wilson
Jan 26 '18 at 22:08
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How to resolve “git did not exit cleanly (exit code 128)” error on TortoiseGit? [closed]
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git-bash reports
fatal: Unable to create <Path to git repo>/.git/index.lock: File exists.
Deleting index.lock makes the error go away.
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Installing specific package versions with pip
...I used a different version. To view all available package versions from an index exclude the version:
pip install MySQL_python==
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Detect when an image fails to load in Javascript
...y wouldn't try and load an image that isn't there.
– PHP Guru
Feb 12 at 19:29
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