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Count character occurrences in a string in C++
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#include <algorithm>
std::string s = "a_b_c";
size_t n = std::count(s.begin(), s.end(), '_');
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Why would $_FILES be empty when uploading files to PHP?
...ache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads and such. The tmp folder has read/write privileges for the curren...
Keyboard shortcut to comment lines in Sublime Text 3
In Sublime Text 2 it was possible to comment out a line or a block of lines with Ctrl + / and Ctrl + Shift + / . According to the menu Edit > Comment these shortcuts should be valid, but in Sublime Text 3 (build 3047) they no longer seem to work. Does anybody know the right default keyboard...
what are the .map files used for in Bootstrap 3.x?
There are two files included in the CSS folder with .map file extensions. They are:
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How to add Options Menu to Fragment in Android
I am trying to add an item to the options menu from a group of fragments.
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How do I put my website's logo to be the icon image in browser tabs?
The image next to the page title in the browser tab - how can you link an image here?
5 Answers
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How to debug Lock wait timeout exceeded on MySQL?
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What gives this away is the word transaction. It is evident by the statement that the query was attempting to change at least one row in one or more InnoDB tables.
Since you know the query, all the tables being accessed are candidates for being the culprit.
From there, ...
Adding two numbers concatenates them instead of calculating the sum
...t numbers. The easiest way to produce a number from a string is to prepend it with +:
var x = +y + +z;
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Build android release apk on Phonegap 3.x CLI
...n-mac-osx-10-to-build-ios-and-android-projects/), and the blogger who post it, because it put me on the track.
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How to install latest version of git on CentOS 7.x/6.x
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You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7
Install WANDisco repo package:
yum install http://opensource.wandisco.com/centos/6/git/x86_64/wandisco-git-release-6-1.noarch.rpm
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yum install http://opensource.wa...