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Why is SELECT * considered harmful?
...code saves more time and effort in the long run.
If code depends on column order, SELECT * will hide an error waiting to happen if a table had its column order changed.
Even if you need every column at the time the query is written, that might not be the case in the future
the usage complicates pro...
IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”
...xample.intellijgradletest.MainActivityTest"
– Heath Borders
Feb 4 '14 at 15:38
7
In IDEA 14.0.3 f...
Formatting numbers (decimal places, thousands separators, etc) with CSS
...with CSS?
That is: decimal places, decimal separator, thousands separator, etc.
10 Answers
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How do I pass variables and data from PHP to JavaScript?
...than others, and some are considered better than others.
In no particular order:
Use AJAX to get the data you need from the server.
Echo the data into the page somewhere, and use JavaScript to get the information from the DOM.
Echo the data directly to JavaScript.
In this post, we'll examine ea...
How is Node.js inherently faster when it still relies on Threads internally?
...ld be only what's needed" I get the impression these should be of the same order. Closures are not cheap, the runtime will have to keep the whole call tree of the single-threaded application in memory ("emulating stacks" so to say) and will be able to clean up when a leaf of tree gets released as th...
Environment variables in Mac OS X
...redefined in subshells, not for environment variables that are inherited.
/etc/profile: this is loaded before ~/.profile, but is otherwise equivalent. Use it when you want the variable to apply to terminal programs launched by all users on the machine (assuming they use bash).
~/.MacOSX/environment....
Python Requests throwing SSLError
...on a simple script that involves CAS, jspring security check, redirection, etc. I would like to use Kenneth Reitz's python requests because it's a great piece of work! However, CAS requires getting validated via SSL so I have to get past that step first. I don't know what Python requests is wanti...
What is the easiest way to ignore a JPA field during persistence?
...
This answer comes a little late, but it completes the response.
In order to avoid a field from an entity to be persisted in DB one can use one of the two mechanisms:
@Transient - the JPA annotation marking a field as not persistable
transient keyword in java. Beware - using this keyword, w...
IE7 Z-Index Layering Issues
...ou explicitly define how things overlap, even without z-index the layering order is well defined. Finally, IE6 has an additional bug that causes selectboxes and iframes to float on top of everything else.
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How do I implement basic “Long Polling”?
...00;color:#fff;font-size:.9em; }
.msg{ background:#aaa;padding:.2em; border-bottom:1px #000 solid}
.old{ background-color:#246499;}
.new{ background-color:#3B9957;}
.error{ background-color:#992E36;}
</style>
<script type="text/javascript" charset="utf-8">
...