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How do you find all subclasses of a given class in Java?
...";
/** Doclet entry point. */
public static boolean start(RootDoc root) throws Exception {
try {
ClassDoc topClassDoc = root.classNamed(TOP_CLASS_NAME);
for (ClassDoc classDoc : root.classes()) {
if (classDoc.subclassOf(topClassDoc)) {...
How to print SQL statement in codeigniter model
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Fatal error: Call to undefined method CI_DB_mysql_driver::get_compiled_select()
– itskawsar
Sep 25 '13 at 8:53
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Retrieve the maximum length of a VARCHAR column in SQL Server
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for mysql its length not len
SELECT MAX(LENGTH(Desc)) FROM table_name
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Error 908: Permission Receive SMS - #5 by Taifun - MIT App Inventor Help - MIT App Inventor Community
:root {
--animation-state: paused;
}
/* user picked a theme where the "regular" scheme is dark */
/* user picked a theme a light scheme and also enabled a dark scheme */
/* deal with light scheme first */
@media (pref...
Generating Guids in Ruby
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To create a proper, mysql, varchar 32 GUID
SecureRandom.uuid.gsub('-','').upcase
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Makefiles with source files in different directories
... allowing you to build them independently. Further, have a Makefile in the root directory of the project which builds everything. The "root" Makefile would look something like the following:
all:
+$(MAKE) -C part1
+$(MAKE) -C part2
+$(MAKE) -C part3
Since each line in a make target ...
Left Join With Where Clause
...worry about JOIN/WHERE in the main query.
Sometimes, this works faster in MySQL, but compare it against the LEFT JOIN form to see what works best for you.
SELECT s.*, c.value
FROM settings s
LEFT JOIN character_settings c ON c.setting_id = s.id AND c.character_id = '1'
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App Inventor 2 数学代码块 · App Inventor 2 中文网
...andom set seed to)
最小值 (min)
最大值 (max)
平方根 (square root)
绝对值 (abs)
相反数 (neg)
对数 (log)
e^
四舍五入 (round)
上取整 (ceiling)
下取整 (floor)
求模 (modulo)
余数 (remainder)
商 (quotient)
正弦 (sin)
余弦 (cos)
正切 (ta...
Importing a Maven project into Eclipse from Git
...cry in frustration. As far as I know, if the cloned repository lies on the root of your Eclipse workspace, and your Maven project file hierarchy has a POM on its root, then importing such root project will rename the cloned folder (with the template you chose, defaults to [artifactId]). Without chan...
SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...TION_RECORD，即构造一个最底层的 SEH 结点
我们要看的是它如何构建 _EXCEPTION_REGISTRATION_RECORD 结构，我们最好准备纸笔记录下它的 stack 变化情况
1. ntdll32!_SEH_prolog4() 构造的 stack 结构
刚进入 ntdll32!_SEH_prolog4() 时的 stack 是下面的...