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Java FileReader encoding issue
...to a string, but I found the result is wrongly encoded and not readable at all.
6 Answers
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What is the meaning of the /dist directory in open source projects?
Since I first saw a dist/ directory in many open source projects, usually on GitHub, I've been wondering what it means.
4...
C++ 通过主机名/域名获取IP - C/C++ - 清泛网 - 专注C/C++及内核技术
...2.h> 该头文件定义了Socket编程的功能 #pragma comment(lib,"ws2_32.lib") 连接ws2_32.lib库...代码如下：
#include <winsock2.h> //该头文件定义了Socket编程的功能
#pragma comment(lib,"ws2_32.lib") //连接ws2_32.lib库.只要程序中用到Winsock API 函数，...
Java 8: performance of Streams vs Collections
I'm new to Java 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections.
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Difference between . and : in Lua
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To be completely precise, obj:method(1, 2, 3) is the same as
do
local _obj = obj
_obj.method(_obj, 1, 2, 3)
end
Why the local variable? Because, as many have pointed out, obj:method() only indexes _ENV once to get obj. This normally just important when considering speed, but consider this s...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
... basics. Though of course, that doesn't mean I haven't missed something totally obvious. :-)
13 Answers
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Set Focus on EditText
... set an OnFocusChangeListener for it. When it has lost focus, a method is called, which checks the value of the EditText with one in the database. If the return-value of the method is true, a toast is shown and the focus should get back on the EditText again. The focus should always get back on the ...
MySQL check if a table exists without throwing an exception
...PDO syntax for it, but this seems pretty straight-forward:
$result = mysql_query("SHOW TABLES LIKE 'myTable'");
$tableExists = mysql_num_rows($result) > 0;
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Undoing a 'git push'
... highly dangerous if you are working in a shared repo. As a best practice, all commits pushed to a remote repo that is shared should be considered 'immutable'. Use 'git revert' instead: kernel.org/pub/software/scm/git/docs/…
– Saboosh
Jan 13 '12 at 20:47
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How does free know how much to free?
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FYI, for example BSD has malloc_size() to reliably access the block size from an malloc()ed pointer. But there's no reliable, portable way.
– laalto
Oct 5 '09 at 7:53
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