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Difference between res.send and res.json in Express.js
What is actual difference between res.send and res.json as both seems to perform same operation of responding to client.
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How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
14 Answ...
Manifest merger failed : uses-sdk:minSdkVersion 14
Since downloading the latest SDK and installing Android Studio, my project fails to build. I get the following message:
28 ...
How do I create an HTML table with a fixed/frozen left column and a scrollable body?
... columns scroll horizontally, you can position: absolute the first column (and specify its width explicitly), and then wrap the entire table in an overflow-x: scroll block. Don't bother trying this in IE7, however...
Relevant HTML & CSS:
table {
border-collapse: separate;
border-sp...
tmux: How to join two tmux windows into one, as panes?
I have two tmux windows, with a single pane in each, and I would like to join these two panes together into a single window as a horizontal split panes. How could I do that?
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String, StringBuffer, and StringBuilder
Please tell me a real time situation to compare String , StringBuffer , and StringBuilder ?
11 Answers
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How to specialize std::hash::operator() for user-defined type in unordered containers?
To support user-defined key types in std::unordered_set<Key> and std::unordered_map<Key, Value>
one has to provide operator==(Key, Key) and a hash functor:
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“Unable to find remote helper for 'https'” during git clone
...led when you compile git can cause this.
If you install (lib)curl-devel, and then rebuild/install git, this should solve the problem:
$ yum install curl-devel
$ # cd to wherever the source for git is
$ cd /usr/local/src/git-1.7.9
$ ./configure
$ make
$ make install
This worked for me on Cento...
Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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For those who works with like millions rows and seeks for really performant way to do this - poshest's answer is the way to go. Just dont forget to spice ti up with proper indexing.
– Diligent Key Presser
Jun 20 '19 at 8:46
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Use of 'const' for function parameters
... you just make functions const when necessary or do you go the whole hog and use it everywhere? For example, imagine a simple mutator that takes a single boolean parameter:
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