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Copy values from one column to another in the same table
...ble name and it's surrounded by grave accent (aka back-ticks `) as this is MySQL convention to escape keywords (and TABLE is a keyword in that case).
BEWARE, that this is pretty dangerous query which will wipe everything in column test in every row of your table replacing it by the number (regardle...
Gradle alternate to mvn install
... an example, with some extra dependencies. Just call gradle install in the root folder, and all will be built and put to your local repo.
Folder structure:
root
+--> build.gradle
+--> settings.gradle
+--> sdk
| +--> build.gradle
+--> example
+--> build.gradle
root/build...
Using “like” wildcard in prepared statement
I am using prepared statements to execute mysql database queries. And I want to implement a search functionality based on a keyword of sorts.
...
Build tree array from flat array in javascript
...que id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
...
What is the email subject length limit?
...255 is probably the most common (and more efficient) data column length in MySQL / MariaDB. Bytes are most certainly still relevant. MySQL will use 1 byte to store the length if it is less than 256, or more otherwise. Take a look at how C++ implements std::string if you think string lengths aren'...
Oracle: If Table Exists
...pts for an Oracle database, and was hoping Oracle had something similar to MySQL's IF EXISTS construct.
15 Answers
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How do I start PowerShell from Windows Explorer?
...er.
HKCR\Drive\shell - This is the context menu for the drive icons in the root of Windows Explorer.
For each of these registry keys, you can add a subkey that will add an "Open PowerShell window here" command to the context menu, just as you have an "Open command window here" context menu.
Here ...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
... Programmatically
http://support.microsoft.com/kb/131284/en-us
19. 如何在CListView中使用CListCtrl的派生类
http://www.codeguru.com/cpp/controls/listview/introduction/article.php/c919/
20. listctrl的subitem添加图标
m_list.SetExtendedStyle(LVS_EX_SUBITEMIMAGES);
...
Android Studio: how to attach Android SDK sources?
...@
</javadocPath>
<sourcePath>
<root type="composite">
- <root type="simple" url="file:///Applications/Android Studio.app/sdk/sources/android-19" />
+ <root type="simple" url="file:///Users/tehdawgz/dev/android-sdk/sources/...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
... "/etc/nginx/conf.d/proxy.conf" :
mode: "000755"
owner: root
group: root
content: |
client_max_body_size 20M;
This generates a proxy.conf file inside of the /etc/nginx/conf.d directory. The proxy.conf file simply contains the one liner client_max_body_...