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How to rethrow the same exception in SQL Server
... rethrow the same exception in SQL Server that has just occurred in my try block. I am able to throw same message but I want to throw same error.
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Why do people say that Ruby is slow? [closed]
...me:
Ruby 1.9 vs. Python3 within the same order of magnitude
Ruby 1.9 vs. PHP within the same order of magnitude
Ruby 1.9 vs. Java 6 server up to two orders of magnitude slower!
Ruby 1.9 vs. C (gcc) up to two orders of magnitude slower!
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Why is Ruby considered slow?
Depends on whom you as...
Proper use of beginBackgroundTaskWithExpirationHandler
...endTaskWithKey:taskKey];
Optionally, if you want to provide a completion block that does something beyond ending the task (which is built in) you can call:
NSUInteger taskKey = [[BackgroundTaskManager sharedTasks] beginTaskWithCompletionHandler:^{
//do stuff
}];
Relevant source code availa...
Check element CSS display with JavaScript
Is it possible to check if an element's CSS display == block or none using JavaScript?
9 Answers
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How to download a file from server using SSH? [closed]
...ote/dir/foobar.txt /local/dir
From: http://www.hypexr.org/linux_scp_help.php
share
edited Mar 14 '15 at 9:31
Marek Grzenkowicz
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How to specify table's height such that a vertical scroll bar appears?
... appears to be because <table> elements are not rendered as display: block by default (they actually have their own display type). You can force the overflow property to work by setting the <table> element to be a block type:
table {
display: block;
height: 500px;
overflow-y: scro...
How to measure time taken between lines of code in python?
...ll show the following after the indented line(s) finishes executing:
Code block took: x.xxx ms
UPDATE: You can now get the class with pip install linetimer and then from linetimer import CodeTimer. See this GitHub project.
The code for above class:
import timeit
class CodeTimer:
def __init...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
Can someone tell me when and where I need to use begin and end blocks in SQL Server?
Also, what exactly does the Go keyword do?
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JavaScript hide/show element
...owStuff(id, text, btn) {
document.getElementById(id).style.display = 'block';
// hide the lorem ipsum text
document.getElementById(text).style.display = 'none';
// hide the link
btn.style.display = 'none';
}
<td class="post">
<a href="#" onclick="showStuff('ans...
Auto margins don't center image in page
...
add display:block; and it'll work. Images are inline by default
To clarify, the default width for a block element is auto, which of course fills the entire available width of the containing element.
By setting the margin to auto, the b...