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Execute and get the output of a shell command in node.js
... now.
var exec = require('child_process').exec;
function execute(command, callback){
exec(command, function(error, stdout, stderr){ callback(stdout); });
};
Example: Retrieving git user
module.exports.getGitUser = function(callback){
execute("git config --global user.name", function(name...
Android static object lifecycle
I am creating event search application, we set search criteria from one screen populate in another screen then user can edit search criteria from 3rd screen and goes to 4th screen.
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Custom attributes in styles.xml
...for me either. If you don't have the custom namespace xmlns attribute, you can actually type in any value you like for the item name attribute and it will compile.
– David Snabel-Caunt
Dec 19 '11 at 8:56
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Preferred Github workflow for updating a pull request after code review
... pull request and push the branch to GitHub. The pull request will automatically be updated with the additional commit.
#2 and #3 are unnecessary. If people want to see only where your branch was merged in (and not the additional commits), they can use git log --first-parent to only view the merge ...
Why does z-index not work?
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static elements are static and can't move around in x, y or z planes. They can't move in x plane (left or right) or y plane (top or bottom) like when we work with position: absolute. And nor can they move in the z plane i.e. with z-index.
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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
...s, and move constructing it into a value_type.
That is what some people call universal reference, but really is reference collapsing. In your case, where the argument is an lvalue of type pair<int,shared_ptr<int>> it will not result in the argument being an rvalue reference and it sho...
Rails formatting date
...fy in strftime method:
Date (Year, Month, Day):
%Y - Year with century (can be negative, 4 digits at least)
-0001, 0000, 1995, 2009, 14292, etc.
%C - year / 100 (round down. 20 in 2009)
%y - year % 100 (00..99)
%m - Month of the year, zero-padded (01..12)
%_m blank-pa...
$.ajax - dataType
...ocumentation has full descriptions of these as well.
In your particular case, the first is asking for the response to be in UTF-8, the second doesn't care. Also the first is treating the response as a JavaScript object, the second is going to treat it as a string.
So the first would be:
succes...
HashSet versus Dictionary w.r.t searching time to find if an item exists
...ormance test, taken from here.
Add 1000000 objects (without checking duplicates)
Contains check for half the objects of a collection of 10000
Remove half the objects of a collection of 10000
share
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What is Full Text Search vs LIKE
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In general, there is a tradeoff between "precision" and "recall". High precision means that fewer irrelevant results are presented (no false positives), while high recall means that fewer relevant results are missing (no false negatives). Using the LIKE operator gives you 100% precis...