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WHERE vs HAVING
...ect_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+-------+-------+---------------+-------+---------+------+------+--------------------------+
| 1 | SIMPLE | table | range | value | value | 4 | NULL | 5 | U...
Set Focus on EditText
...Override
public void onFocusChange(View v, boolean hasFocus) {
String liganame = editText1.getText().toString();
if(liganame.length() == 0) {
if(editText1.requestFocus()) {
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAY...
How to convert decimal to hexadecimal in JavaScript
...
Convert a number to a hexadecimal string with:
hexString = yourNumber.toString(16);
And reverse the process with:
yourNumber = parseInt(hexString, 16);
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Reload Flask app when template file changes
...pplication when the templates change (or any other file), you can pass the extra_files argument to Flask().run(), a collection of filenames to watch: any change on those files will trigger the reloader.
Example:
from os import path, walk
extra_dirs = ['directory/to/watch',]
extra_files = extra_di...
JSON: why are forward slashes escaped?
...n embedding JSON in a <script> tag, which doesn't allow </ inside strings, like Seb points out.
Some of Microsoft's ASP.NET Ajax/JSON API's use this loophole to add extra information, e.g., a datetime will be sent as "\/Date(milliseconds)\/". (Yuck)
...
Rails: Using greater than/less than with a where statement
...xibility with your ARel queries if you're able to use the hash syntax over strings which is why many would prefer this solution. Depending on your project/team/organization you may want something that is easier for someone glancing at the code to figure out, which the accepted answer is.
...
What is Hindley-Milner?
... of the length function: it can be "list of integers to integer", "list of strings to integer", "list of pairs to integer", and so on. In this case, a signal advantage of the Hindley-Milner system is that each well-typed term has a unique "best" type, which is called the principal type. The princi...
How to determine device screen size category (small, normal, large, xlarge) using code?
...s.DENSITY_HIGH) {
Toast.makeText(this, "DENSITY_HIGH... Density is " + String.valueOf(density), Toast.LENGTH_LONG).show();
}
else if (density == DisplayMetrics.DENSITY_MEDIUM) {
Toast.makeText(this, "DENSITY_MEDIUM... Density is " + String.valueOf(density), Toast.LENGTH_LONG).show();
}
else ...
How to change app name per Gradle build type
...l on <application>, the simplest solution is to have that point at a string resource (e.g., android:label="@string/app_name"), then have a different version of that string resource in a src/debug/ sourceset.
You can see that in this sample project, where I have a replacement for app_name in s...
How to get current moment in ISO 8601 format with date, hour, and minute?
...'"); // Quoted "Z" to indicate UTC, no timezone offset
df.setTimeZone(tz);
String nowAsISO = df.format(new Date());
Using a new Date() as shown above will format the current time.
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