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Read only file system on Android
I recently rooted my Droid X and everything seems to be working perfectly. I made some changes to build.prop and when I do adb push build.prop /system/ I get the following error: failed to copy 'c:\build.prop' to '/system//build.prop': Read-only file system .
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How to get first character of string?
I have a string, and I need to get its first character.
16 Answers
16
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How do I create a constant in Python?
...ng on other people's work, I have added an answer, far below, with a short and simple implementation of "Constants" for python 2.7 (which lacks "enum"). These are enum-like read-only name.attribute, and can contain any value. Declaration is easy Nums = Constants(ONE=1, PI=3.14159, DefaultWidth=100.0...
proper hibernate annotation for byte[]
I have an application using hibernate 3.1 and JPA annotations. It has a few objects with byte[] attributes (1k - 200k in size). It uses the JPA @Lob annotation, and hibernate 3.1 can read these just fine on all major databases -- it seems to hide the JDBC Blob vendor peculiarities (as it should do...
How to keep indent for second line in ordered lists via CSS?
...ry string (id), it is used to connect the counter-reset, counter-increment and counter() properties.
– user123444555621
Aug 8 '13 at 18:04
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dismissModalViewControllerAnimated deprecated
...tially, view controllers presented by this API are no longer always modal, and since they were adding a completion handler it was a good time to rename it.
In response to comment from Marc:
What's the best way to support all devices 4.3 and above? The new
method doesn't work in iOS4, yet the ...
Is it safe to ignore the possibility of SHA collisions in practice?
... on Earth within the next second, obliterating civilization-as-we-know-it, and killing off a few billion people? It can be argued that any unlucky event with a probability lower than that is not actually very important.
If we have a "perfect" hash function with output size n, and we have p messages...
Clear the cache in JavaScript
....reload(true) to reload the current page. It will ignore any cached items and retrieve new copies of the page, css, images, JavaScript, etc from the server. This doesn't clear the whole cache, but has the effect of clearing the cache for the page you are on.
However, your best strategy is to vers...
NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
I have Puma running as the upstream app server and Riak as my background db cluster. When I send a request that map-reduces a chunk of data for about 25K users and returns it from Riak to the app, I get an error in the Nginx log:
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Specify multiple attribute selectors in CSS
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Simple input[name=Sex][value=M] would do pretty nice. And it's actually well-described in the standard doc:
Multiple attribute selectors can be used to refer to several
attributes of an element, or even several times to the same attribute.
Here, the selector matches a...