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JavaScript single line 'if' statement - best syntax, this alternative? [closed]
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you should know what you are expecting, since empty string and 0 are falsy values, it will fail the execute the second statement
– Orlando
Jul 31 '13 at 17:45
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Best way to test for a variable's existence in PHP; isset() is clearly broken
...uce a null variable, since the GET, POST, and cookie values will always be strings (with '' still returning true from isset), and variables in the session should be entirely under the programmer's control.
Secondly, pollution of a variable with the value null is only an issue if this over-writes so...
PHP Get Site URL Protocol - http vs https
... server configuration do you talk about, storing https information on this string coming from the http query?
– regilero
Feb 3 '15 at 14:48
2
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Remove by _id in MongoDB console
...id field is not automatically generated (i.e. it is not an ObjectId, but a String), You can just write the value of the _id under quotation marks: db.your.database.remove({"_id": "your value"}).
– Aleksandar
Jun 4 '18 at 16:39
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If isset $_POST
...t. A simple boolean does the work of the empty function to check the empty string.
– viery365
Dec 7 '17 at 21:44
I kno...
Assign variable value inside if-statement [duplicate]
...he code below:
public class Test
{
public static void main (String[] args)
{
int v = 0;
if ((v=dostuff())!=0)
{
System.out.printf("HOWDY\n");
}
}
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How to create and use resources in .NET
...ll let you select the type of resource you want to add. It should start on string. We want to add an icon, so click on it and select "Icons" from the list of options.
Next, move to the second button, "Add Resource". You can either add a new resource, or if you already have an icon already made, you ...
SQL command to display history of queries
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well not all, suppression occurs for some that contain strings like "password".
– mckenzm
May 15 '15 at 18:44
1
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What's the best way to do “application settings” in Android? [closed]
...w you get the instance when you specify the file name
public static final String PREF_FILE_NAME = "PrefFile";
SharedPreferences preferences = getSharedPreferences(PREF_FILE_NAME, MODE_PRIVATE);
MODE_PRIVATE is the operating mode for the preferences. It is the default mode and means the created...
Using link_to with embedded HTML
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Maybe missing '.html_safe' after the string for the icon in the second example?
– H O
Aug 19 '12 at 21:43
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