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How to manually expand a special variable (ex: ~ tilde) in bash
...(but please don't use this)
If I'm not mistaken, "~" will not be expanded by a bash script in that manner because it is treated as a literal string "~". You can force expansion via eval like this.
#!/bin/bash
homedir=~
eval homedir=$homedir
echo $homedir # prints home path
Alternatively, just u...
Why can't a text column have a default value in MySQL?
...why a text column should not have a default value. No explanation is given by the MySQL documentation. It seems illogical to me (and somewhat frustrating, as I want a default value!). Anybody know why this is not allowed?
...
Are there any cases when it's preferable to use a plain old Thread object instead of one of the newe
...fact that a plain old thread's functionality can be replaced in many cases by the ThreadPool class.
10 Answers
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What does the red exclamation point icon in Eclipse mean?
...h errors
In practice, I've found that a "build path error" may be caused by any number of reasons, depending on what plugins are active. Check the "Problems" view for more information.
share
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im...
AngularJS : Where to use promises?
...PI for a moment and just consider the Angular Promises API, as implemented by the $q service. The pattern implemented by this service is an attempt to turn asynchronous programming back into something resembling a linear series of simple statements, with the ability to 'throw' an error at any step ...
How to check if two arrays are equal with JavaScript? [duplicate]
...th properties in the reverse order, but I cannot imagine it ever happening by accident...] At least on Chrome, the JSON.stringify function tends to return keys in the order they were defined (at least that I've noticed), but this behavior is very much subject to change at any point and should not be...
How do I add a submodule to a sub-directory?
...module add" when not at the top level of the working tree.
Signed-off-by: John Keeping
Depends on commit 12b9d32790b40bf3ea49134095619700191abf1f
This makes 'git rev-parse' behave as if it were invoked from the specified subdirectory of a repository, with the difference that any file pat...
Should CSS always preceed Javascript?
...is analogous to DOMReady.
Delayed sending CSS and/or script to the browser by 500ms.
Ran the test 20 times in the 3 major browsers.
Results
First, with the CSS file delayed by 500ms:
Browser: Chrome 18 | IE 9 | Firefox 9
CSS: first last | first last | first last
====...
How do I change the Javadocs template generated in Eclipse?
...le / Code Template
Section Comment / Type
You can replace the author tag by whatever value you need and it will have an effect on new generated classes.
However, if the template is fine, but the value referenced buy the author tag is not, see this SO question:
${user} uses the value of the u...
ServiceStack vs ASP.Net Web API [closed]
...get written directly to the Response Stream:
String
Stream
IStreamWriter
byte[] - with the application/octet-stream Content Type.
An example of the Custom HTTP headers support can be seen by this CORS example where you can configure HTTP Headers globally or on a per-service basis.
HTML Support
...