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How to insert a text at the beginning of a file?
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To actually insert a new line: sed -i '1s/^/<added text> \n/' file
– jslatts
Sep 17 '13 at 13:27
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Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
... am using Maven 3.0.5 and Spring Tool Source 3.2 with Maven plugin installed. When I try to do 'Run As---> Maven install', I am getting the following error:
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Java multiline string
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Furthermore, the first version will be automatically concatenated by the compiler, since all the strings are known at compile time. Even if the strings are not known at compile time, it's no slower than StringBuilder or String.format(). The only reason to avoid concatenati...
Why do I need 'b' to encode a string with Base64?
...-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax.
If you remove the b, it becomes a string. A string is a sequence of Unicode characters. base64 ha...
Clone() vs Copy constructor- which is recommended in java [duplicate]
...rclass since the
Beta-release days of the Java
compiler*; and it, like all ancient
magic, requires the appropriate
incantation to prevent the spell from
unexpectedly backfiring
Prefer a method that copies the object
Foo copyFoo (Foo foo){
Foo f = new Foo();
//for all properties in F...
tag in Twitter Bootstrap not functioning correctly?
... :
<hr style="border-top: 1px dotted #000000 !important; " />
for all <hr /> in your page
<style>
hr {
border-top: 1px dotted #000000 !important;
margin-bottom:5px !important;
margin-top:5px !important;
}
</style>
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How to check if an app is installed from a web-page on an iPhone?
...an iPhone to the app-store if the iPhone does not have the application installed, but if the iPhone has the app installed I want it to open the application.
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What is reflection and why is it useful?
... say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and fin...
How to center a subview of UIView
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It actually won't make a different in this case, as only size is being used.
– Peter DeWeese
Jun 29 '12 at 12:25
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Configure nginx with multiple locations with different root folders on subdomain
... what you quote them as saying, but they don't justify that instruction at all - it seems like an arbitrary style choice. Do you see any logical reason behind it?
– Mark Amery
May 14 '15 at 9:21
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