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How do I remove code duplication between similar const and non-const member functions?
...
class X
{
std::vector<Z> vecZ;
public:
const Z& z(size_t index) const
{
// same really-really-really long access
// and checking code as in OP
// ...
return vecZ[index];
}
Z& z(size_t index)
{
// One line. One ugly, ugly line - but ju...
Submitting a form by pressing enter without a submit button
...ute, or at least I would:
<script type="text/javascript">
// Using jQuery.
$(function() {
$('form').each(function() {
$(this).find('input').keypress(function(e) {
// Enter pressed?
if(e.which == 10 || e.which == 13) {
this.form.submit();
...
Passing parameters to a Bash function
...
Knowledge of high level programming languages (C/C++/Java/PHP/Python/Perl ...) would suggest to the layman that bash functions should work like they do in those other languages. Instead, bash functions work like shell commands and expect arguments to be passed to them in the same wa...
Fastest way to count exact number of rows in a very large table?
...db_partition_stats st
WHERE
object_name(object_id) = 'MyBigtable' AND (index_id < 2)
2 runs, both under 1 second, count = 1,401,659,670
The second one has less rows = wrong. Would be the same or more depending on writes (deletes are done out of hours here)
...
Convert Array to Object
...se an accumulator aka reduce.
['a','b','c'].reduce(function(result, item, index, array) {
result[index] = item; //a, b, c
return result;
}, {}) //watch out the empty {}, which is passed as "result"
Pass an empty object {} as a starting point; then "augment" that object incrementally.
At the e...
When to use std::size_t?
... in C++. By extension it is also guaranteed to be big enough for any array index so it is a natural type for a loop by index over an array.
If you are just counting up to a number then it may be more natural to use either the type of the variable that holds that number or an int or unsigned int (if...
google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...tcher（匹配器）基数（Cardinalities）行为（Actions）序列（Sequences）Google Mock 入门概述Google Mock使用Mock实践Google Mock Cookbook什么是Mock?Google Moc
Content
Matcher（匹配器）
基数（Cardinalities）
行为（Actions）
序列...
How do I detect if I am in release or debug mode?
... won't work when using a library (always returns true) : stackoverflow.com/q/20176284/878126 . Wonder what's the best alternative
– android developer
Jun 21 '16 at 9:33
...
Unique constraint on multiple columns
...lumn unique constraint to an existing table.
Under the table, right click Indexes->Click/hover New Index->Click Non-Clustered Index...
A default Index name will be given but you may want to change it. Check the Unique checkbox and click Add... button
Check the columns you want included
...
How to remove all .svn directories from my application directories
...
You may need to put {} into single quote if there may be space or such characters in directories: find . -name .svn -exec rm -rf '{}' \;
– mtoloo
Sep 17 '12 at 11:25
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