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MySQL Query to select data from last week?
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You can make your calculation in php and then add it to your query:
$date = date('Y-m-d H:i:s',time()-(7*86400)); // 7 days ago
$sql = "SELECT * FROM table WHERE date <='$date' ";
now this will give the date for a week ago
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Difference between global and device functions
...bal functions (kernels) launched by the host code using <<< no_of_blocks , no_of threads_per_block>>>.
Each thread executes the kernel by its unique thread id.
However, __device__ functions cannot be called from host code.if you need to do it use both __host__ __device__.
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How to get a tab character?
...arsers and collapsed into a single space except those within a <pre> block, where literal tabs will be rendered as 8 spaces in a monospace font.
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What is the shortcut to Auto import all in Android Studio?
...+ O
Code Completion CTRL + SPACE
Issue quick fix ALT + ENTER
Surround code block CTRL + ALT + T
Rename and Refractor Shift + F6
Line Comment or Uncomment CTRL + /
Block Comment or Uncomment CTRL + SHIFT + /
Go to previous/next method ALT + UP/DOWN
Show parameters for method CTRL + P
Quick documentat...
What is the difference between Polymer elements and AngularJS directives?
...tandards that is enveloped by HTML 5 designed to provide reusable building blocks for web applications.
Browsers are at various states of implementing the "Web Components" specification, and therefore it's too early to write HTML using Web Components.
But alas! Polymer to the rescue! Polymer is a ...
How to call a shell script from python code?
...se stdout=PIPE or stderr=PIPE with subprocess.call. The child process will block if it generates enough output to a pipe to fill up the OS pipe buffer as the pipes are not being read from.
– user9652688
Mar 11 '19 at 11:07
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How to go back to previous page if back button is pressed in WebView?
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or in fact just simply remove whole else block
– Bostone
Jan 16 '13 at 19:23
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App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
... 将当前组件的所有已用 ID 作为 App Inventor [列表](../blocks/lists.html)返回。
生成一个随机的唯一 UUID。如果你不需要组件 ID，请在“创建”块中使用此块。
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RootViewController Switch Transition Animation
...can wrap the switching of the rootViewController in a transition animation block:
[UIView transitionWithView:self.window
duration:0.5
options:UIViewAnimationOptionTransitionFlipFromLeft
animations:^{ self.window.rootViewController = newViewContro...
Javascript shorthand ternary operator
I know that in php 5.3 instead of using this redundant ternary operator syntax:
7 Answers
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