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How can I get the last 7 characters of a PHP string?
How would I go about grabbing the last 7 characters of the string below?
7 Answers
7
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Django self-referential foreign key
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You can pass in the name of a model as a string to ForeignKey and it will do the right thing.
So:
parent = models.ForeignKey("CategoryModel")
Or you can use the string "self"
parent = models.ForeignKey("self")
...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...tal_temp = 0;
for ($update_nbr = 0; $update_nbr < 100; $update_nbr++) {
$string = $subscriber->recv ();
sscanf ($string, "%d %d %d", $zipcode, $temperature, $relhumidity);
$total_temp += $temperature;
}
printf ("Average temperature for zipcode '%s' was %dF\n",
$filter, (int) ($total_temp / $u...
Detach many subdirectories into a new, separate Git repository
...y geek-to-use scripts but easy-to-understand commands and could help merge extra N sub-folders into another single repository.
Divide
Let's assume your original repo is: original_repo
1 - Split apps:
git clone original_repo apps-repo
cd apps-repo
git filter-branch --prune-empty --subdirectory-fi...
How do I convert CamelCase into human-readable names in Java?
...
This works with your testcases:
static String splitCamelCase(String s) {
return s.replaceAll(
String.format("%s|%s|%s",
"(?<=[A-Z])(?=[A-Z][a-z])",
"(?<=[^A-Z])(?=[A-Z])",
"(?<=[A-Za-z])(?=[^A-Za-z])"
),
" "...
Replace only some groups with Regex
...eed to identify them or not. That way you can use them in your replacement string. For example:
var pattern = @"(-)(\d+)(-)";
var replaced = Regex.Replace(text, pattern, "$1AA$3");
or using a MatchEvaluator:
var replaced = Regex.Replace(text, pattern, m => m.Groups[1].Value + "AA" + m.Groups...
Creating an Android trial application that expires after a fixed time period
...) {
@Override
public void onResult(int status, long timeRemaining, String sku) {
switch (status){
case STATUS_TRIAL_JUST_STARTED:
//The trial has just started - enable the premium features for the user
break;
case STATUS_TRIAL_...
How can a LEFT OUTER JOIN return more records than exist in the left table?
...ually want you can use aggregate functions (if for example you just want a string from the right part you could generate a column that is a comma delimited string of the right side results for that left row.
If you are only looking at 1 or 2 columns from the outer join you might consider using a sc...
What to gitignore from the .idea folder?
...rashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
### Intellij Patch ###
# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
# *.iml
# modules.xml
...
reStructuredText tool support
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Some projects use reStructuredText as a baseline to build on, or provide extra functionality extending the utility of the reStructuredText tools.
Sphinx
The Sphinx documentation generator translates a set of reStructuredText source files into various output formats, automatically producing cross...