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How to show Page Loading div until the page has finished loading?

... I've needed this and after some research I came up with this (jQuery needed): First, right after the <body> tag add this: <div id="loading"> <img id="loading-image" src="images/ajax-loader.gif" alt="Loading..." /> </d...
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Bash set +x without it being printed

... I had the same problem, and I was able to find a solution that doesn't use a subshell: set -x command { set +x; } 2>/dev/null share | improve ...
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Persistence unit as RESOURCE_LOCAL or JTA?

...nough. JTA is also used for managing transactions across systems like JMS and JCA, but that's fairly exotic usage for most of us. To use JTA, you need support for it in your application server, and also support from the JDBC driver. ...
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Understanding the Gemfile.lock file

After running the bundle install command, 'Gemfile.lock ' is created in the working directory. What do the directives inside that file mean? ...
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Check for column name in a SqlDataReader object

...ns for control logic like in some other answers is considered bad practice and has performance costs. It also sends false positives to the profiler of # exceptions thrown and god help anyone setting their debugger to break on exceptions thrown. GetSchemaTable() is also another suggestion in many an...
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What does git rev-parse do?

... git rev-parse is an ancillary plumbing command primarily used for manipulation. One common usage of git rev-parse is to print the SHA1 hashes given a revision specifier. In addition, it has various options to format this output such as --short for printing a shorter ...
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HTTP Error 403.14 - Forbidden - The Web server is configured to not list the contents of this direct

I just created a new empty website in Visual Studio 2012 and clicked on run (i.e view in browser) and I get this error : 25...
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how to concatenate two dictionaries to create a new one in Python? [duplicate]

... Slowest and doesn't work in Python3: concatenate the items and call dict on the resulting list: $ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \ 'd4 = dict(d1.items() + d2.items() + d3.items())' 100000 loops, bes...
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Efficiency of premature return in a function

This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
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How to reset a form using jQuery with .reset() method

... Simply magical and straight forward! Much appreciated for sharing. – Ajay Kumar Dec 10 '18 at 19:38 ...