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Constructor initialization-list evaluation order
... The reason for which they are constructed in the member declaration order and not in the order in the constructor is that one may have several constructors, but there is only one destructor. And the destructor destroy the members in the reserse order of construction.
– AProgr...
How to fix “ImportError: No module named …” error in Python?
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Thanks and yes, I had __init__.py. The problem this time was with $PYTHONPATH. Ignacio's solution worked.
– bodacydo
Feb 24 '10 at 13:08
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Do I need to heartbeat to keep a TCP connection open?
...s that that communicate via TCP/IP. Component A acts as a server/listener and Component B is the client. The two should communicate as quickly as possible. There can only ever be one connection at any time (though that is aside to this question). A senior developer at my company has said I need ...
What is a database transaction?
... To do that you have first to withdraw the amount from the source account, and then deposit it to the destination account. The operation has to succeed in full. If you stop halfway, the money will be lost, and that is Very Bad.
In modern databases transactions also do some other things - like ensur...
How to get JSON response from http.Get
...e a decoder on the reader directly. Here's a nice function that gets a url and decodes its response onto a target structure.
var myClient = &http.Client{Timeout: 10 * time.Second}
func getJson(url string, target interface{}) error {
r, err := myClient.Get(url)
if err != nil {
r...
How do I remove/delete a folder that is not empty?
...n I attempt to delete a folder that is not empty. I used the following command in my attempt: os.remove("/folder_name") .
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How to use CMAKE_INSTALL_PREFIX
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There are two ways to use this variable:
passing it as a command line argument just like Job mentioned:
cmake -DCMAKE_INSTALL_PREFIX=< install_path > ..
assigning value to it in CMakeLists.txt:
SET(CMAKE_INSTALL_PREFIX < install_path >)
But do remember to place it BEFOR...
Shell script while read line loop stops after the first line
... line of the target file (whose path is the input parameter to the script) and do work against each line. Now, it seems only work with the very first line in the target file and stops after that line got processed. Is there anything wrong with my script?
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How to get current moment in ISO 8601 format with date, hour, and minute?
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@Joachim The negative side of this "standard" approach is that I have to have many instances of "yyyy-MM-dd'T'HH:mmZ" in my application, every time I need an ISO-8601 formatted date. With JodaTime, as I see, I can use a pre-defined formatter ISODateTimeFormat, wh...
How to iterate over array of objects in Handlebars?
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This fiddle has both each and direct json. http://jsfiddle.net/streethawk707/a9ssja22/.
Below are the two ways of iterating over array. One is with direct json passing and another is naming the json array while passing to content holder.
Eg1: The be...