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How can I remove the first line of a text file using bash/sed script?
...il
Shell redirects stdout of the tail process to $FILE
tail reads from the now empty $FILE
If you want to remove the first line inside the file, you should use:
tail -n +2 "$FILE" > "$FILE.tmp" && mv "$FILE.tmp" "$FILE"
The && will make sure that the file doesn't get overwrit...
What to do on TransactionTooLargeException
...not exchange huge data (>1MB) between services and application
I dont know how to do this, but, Do not query android, which can return huge data :-)
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How to specify function types for void (not Void) methods in Java8?
...rameter and has a return value. Instead you should use Consumer (formerly known as Block)
The Function type is declared as
interface Function<T,R> {
R apply(T t);
}
However, the Consumer type is compatible with that you are looking for:
interface Consumer<T> {
void accept(T t)...
AngularJS UI Router - change url without reloading state
... or not sync but all i have to work with is the old and new url. How do i know that this is an instance where all i want to do is update the params with only two urls to work with? Would the logic be.... ( if the old state and new state are the same then don't reload the controller? ) I'm confused.
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vs.
...al URLS, not sure if the other examples work with dataURLS (please let me know if the other examples work with dataURLS?)
<iframe class="page-icon preview-pane" frameborder="0" height="352" width="396" src="data:application/pdf;base64, ..DATAURLHERE!... "></iframe>
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make: Nothing to be done for `all'
...mod_wsgi.la, which I changed to all : </t> src/server/mod_wsgi.la. I now get the error : make: execvp: src/server/mod_wsgi.la: Permission denied Makefile:29: recipe for target 'all' failed make: *** [all] Error 127 after sudo make. Any help?
– Mooncrater
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How do I use disk caching in Picasso?
...ion
android:name=".Global"
.. >
</application>
Now use Picasso as you normally would. No changes.
EDIT:
if you want to use cached images only. Call the library like this. I've noticed that if we don't add the networkPolicy, images won't show up in an fully offline start...
Facebook Post Link Image
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Just to let you know, the only way to add an image to a post when using AppLinks (applinks.org) within the facebook app is to use the <link> tag, using a <meta> tag with og:image will NOT work.
– emerino
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RecyclerView onClick
...se a recyclerview in another fragment/activity, the adapter/viewholder are now defining the logic of the clicks instead of whatever is containing them. The clicks should really be handled directly or indirectly by the containing instance. It seems that a touch listener is the only effective way to g...
Foreign key constraint may cause cycles or multiple cascade paths?
...guaranteed that SomeOtherTable-records never belong to both Details, it is now impossible to make SomeOhterTable's records cascade delete for both details, because there are multiple cascading paths from Master to SomeOtherTable (one via Detail1 and one via Detail2).
Now you may already have underst...