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Rails raw SQL example
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You can do this:
sql = "Select * from ... your sql query here"
records_array = ActiveRecord::Base.connection.execute(sql)
records_array would then be the result of your sql query in an array which you can iterate through.
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Getting a better understanding of callback functions in JavaScript
...epending how you call the function
alert(this);
};
callback(argument_1, argument_2);
callback.call(some_object, argument_1, argument_2);
callback.apply(some_object, [argument_1, argument_2]);
The method you choose depends whether:
You have the arguments stored in an Array or as distinct v...
How can I find where I will be redirected using cURL?
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To make cURL follow a redirect, use:
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
Erm... I don't think you're actually executing the curl... Try:
curl_exec($ch);
...after setting the options, and before the curl_getinfo() call.
EDIT: If you just want to find...
How does one generate a random number in Apple's Swift language?
...swered Jun 3 '14 at 4:32
Catfish_ManCatfish_Man
38.6k1111 gold badges6363 silver badges8181 bronze badges
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
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Copying the content from the above link for quick reference:
#define PEM_STRING_X509_OLD "X509 CERTIFICATE"
#define PEM_STRING_X509 "CERTIFICATE"
#define PEM_STRING_X509_PAIR "CERTIFICATE PAIR"
#define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE"
#define PEM_STRING_X509_REQ_OLD "NEW CERTI...
How to detect that animation has ended on UITableView beginUpdates/endUpdates?
...targeting iOS 11 and above, you should use UITableView.performBatchUpdates(_:completion:) instead:
tableView.performBatchUpdates({
// delete some cells
// insert some cells
}, completion: { finished in
// animation complete
})
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Android: How to bind spinner to custom object list?
...ld, but just in case...
User object:
public class User{
private int _id;
private String _name;
public User(){
this._id = 0;
this._name = "";
}
public void setId(int id){
this._id = id;
}
public int getId(){
return this._id;
}
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awk without printing newline
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awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print will insert a newline by default. You dont want that to happen, hence use printf instead.
share
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What does @: (at symbol colon) mean in a Makefile?
...nd nothing gets done.
For example (from Linux's scripts/Makefile.clean):
__clean: $(subdir-ymn)
ifneq ($(strip $(__clean-files)),)
+$(call cmd,clean)
endif
ifneq ($(strip $(__clean-dirs)),)
+$(call cmd,cleandir)
endif
ifneq ($(strip $(clean-rule)),)
+$(clean-rule)
endif
@:
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Force SSL/https using .htaccess and mod_rewrite
How can I force to SSL/https using .htaccess and mod_rewrite page specific in PHP.
9 Answers
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