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How to retrieve the first word of the output of a command in bash?
...or example: echo "word1 word2" . I want to put a pipe ( | ) and get word1 from the command.
12 Answers
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How to check whether mod_rewrite is enable on server?
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from the command line, type
sudo a2enmod rewrite
if the rewrite mode is already enabled, it will tell you so!
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Git serve: I would like it that simple
...od article with an overview of gitjour and a number of other similar tools from Dr. Nic, What is *jour and why they are killer apps for RailsCamp08.
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What is the 'override' keyword in C++ used for? [duplicate]
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override is a C++11 keyword which means that a method is an "override" from a method from a base class. Consider this example:
class Foo
{
public:
virtual void func1();
}
class Bar : public Foo
{
public:
void func1() override;
}
If B::func1() signature...
What are the barriers to understanding pointers and what can be done to overcome them? [closed]
...he same house, not two separate houses. Any attempts to follow the address from one paper and rearrange the furniture at that house will make it seem that the other house has been modified in the same manner, unless you can explicitly detect that it's actually just one house.
Note This is usually t...
What's the point of JAXB 2's ObjectFactory classes?
...ew to using JAXB, and I used JAXB 2.1.3's xjc to generate a set of classes from my XML Schema. In addition to generating a class for each element in my schema, it created an ObjectFactory class.
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convert UIImage to NSData
...m (0.8 in this example) is the compression quality
//expressed as a value from 0.0 to 1.0, where 1.0 represents
//the least compression (or best quality).
You can also put this code inside a GCD block and execute in another thread, showing an UIActivityIndicatorView during the process ...
//*co...
How to get Chrome to allow mixed content?
...hield icon will only appear when you try to load insecure content (content from http) while on https.
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Difference between Static and final?
...od can call only other static methods and can not call a non-static method from it unless it has/creates an instance of the class.
A static method can be accessed directly by the class name and doesn’t need any object.
Syntax: Class.methodName()
A static method cannot refer to this or super ke...
Converting pfx to pem using openssl
How to generate a .pem CA certificate and client certificate from a PFX file using OpenSSL.
3 Answers
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