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How to check that a string is an int, but not a double, etc.?
PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
...
How does akka compare to Erlang? [closed]
...TP - Akka integrates with the entire Java ecosystem (Apache Camel, JAX-RS,
etc etc)
Erlang does the process
scheduling for you - Akka allows you
to use many different Dispatchers
with endless configuration
opportunities
Erlang does hot code
reload - Akka can support it, but
it's less flexible becaus...
How do I change the IntelliJ IDEA default JDK?
...y management. I frequently build my project structure (directories, poms, etc) outside of IDEA and then import the project into IDEA using Import project from external model . This works great, except that in my poms I specify that the maven-compiler-plugin should use JDK 1.6, and when I import, ...
How to configure postgresql for the first time?
...th encrypted password 'xxxxxxx';
Edit the pg_hba.conf file:
sudo vim /etc/postgresql/9.1/main/pg_hba.conf
and change "peer" to "md5" on the line concerning postgres:
local all postgres peer md5
To know what version of postgresql you are running, look for the...
RESTful way to create multiple items in one request
...t to a user, updating other related data, initiating a long lived process, etc. For example, we could map a file system or even the unix ps command as a REST API.
I think it is safe to assume that operating a resource may also mean to create several other entities as a side effect.
...
What are the differences between WCF and ASMX web services?
... Service or a WCF component can be invoked by any protocol (like http, tcp etc.) and any transport type.
Second, ASMX web services are not flexible. However, WCF Services are flexible. If you make a new version of the service then you need to just expose a new end. Therefore, services are agile and...
abort: no username supplied (see “hg help config”)
...Unix, these files are read:
- "<repo>/.hg/hgrc"
- "$HOME/.hgrc"
- "/etc/mercurial/hgrc"
- "/etc/mercurial/hgrc.d/*.rc"
- "<install-root>/etc/mercurial/hgrc"
- "<install-root>/etc/mercurial/hgrc.d/*.rc"
Include the following in one of these files above:
[ui]
username = Your Name...
static const vs #define
...he enum's typename may appear in various places in RTTI, compiler messages etc. - possibly useful, possibly obfuscation
you can't use an enumeration without the translation unit actually seeing the value, which means enums in library APIs need the values exposed in the header, and make and other tim...
How to set proxy for wget?
...
For all users of the system via the /etc/wgetrc or for the user only with the ~/.wgetrc file:
use_proxy=yes
http_proxy=127.0.0.1:8080
https_proxy=127.0.0.1:8080
or via -e options placed after the URL:
wget ... -e use_proxy=yes -e http_proxy=127.0.0.1:8080 .....
Golang production web application configuration
...sites/services on the same host, SSL termination, load balancing, logging, etc.
I use HAProxy in front. Any reverse proxy could work. Nginx is also a great option (much more popular than HAProxy and capable of doing more).
HAProxy is very easy to configure if you read its documentation (HTML versi...