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jQuery .data() does not work, but .attr() does
...ia .data() will return an Object while retrieval via .attr() will return a string. See jsfiddle example.
Since .data() does extra processing jQuery stores the results of attribute evaluation in $.cache - after all, once a data attribute has been evaluated it would be wasteful to re-evaluate on ever...
Javascript Shorthand for getElementById
...
To save an extra character you could pollute the String prototype like this:
pollutePrototype(String, '绎', {
configurable: false, // others must fail
get: function() {
return document.getElementById(this);
},
set: function(element) {
eleme...
LogCat message: The Google Play services resources were not found. Check your project configuration
...google.android.gms.common.GooglePlayServicesUtil.class. The aforementioned string appears only in one place:
public static int isGooglePlayServicesAvailable(Context context) {
PackageManager localPackageManager = context.getPackageManager();
try {
Resources localResources = context....
Why do we always prefer using parameters in SQL statements?
...ase, it looks like you're using .NET. Using parameters is as easy as:
C#
string sql = "SELECT empSalary from employee where salary = @salary";
using (SqlConnection connection = new SqlConnection(/* connection info */))
using (SqlCommand command = new SqlCommand(sql, connection))
{
var salaryP...
Making the Android emulator run faster
...ndows:
Install "Intel x86 Emulator Accelerator (HAXM)" => SDK-Manager/Extras
Install "Intel x86 Atom System Images" => SDK-Manager/Android 2.3.3
Go to the Android SDK root folder and navigate to extras\intel\Hardware_Accelerated_Execution_Manager. Execute file IntelHaxm.exe to install. (in A...
SQL Query Where Field DOES NOT Contain $x
...st
SELECT a FROM x WHERE x.b NOT IN (1, 2, 3, 6);
If you are searching a string, go for the LIKE operator (but this will be slow):
-- Finds all rows where a does not contain "text"
SELECT * FROM x WHERE x.a NOT LIKE '%text%';
If you restrict it so that the string you are searching for has to st...
Auto-fit TextView for Android
... fontFitTextView.setBackgroundColor(0xff00ff00);
final String text = getRandomText();
fontFitTextView.setText(text);
container.addView(fontFitTextView);
Log.d("DEBUG", "width:" + width + " height:" + height
+ " text:" + text...
Difference between 2 dates in SQLite
...day(DateCreated). The former does not account for DST days and will add an extra hour to created dates in Mar-Nov. The latter actually does account for it. stackoverflow.com/questions/41007455/…
– vapcguy
Dec 8 '16 at 19:36
...
Using Font Awesome icon for bullet points, with a single list item element
...
You don't need the extra markup: li:before can have a different font-family than the li itself.
– cimmanon
Sep 17 '12 at 23:48
...
Recursive search and replace in text files on Mac and Linux
...takes the argument after -i as the extension for backups. Provide an empty string (-i '') for no backups.
The following should do:
LC_ALL=C find . -type f -name '*.txt' -exec sed -i '' s/this/that/ {} +
The -type f is just good practice; sed will complain if you give it a directory or so.
-exec i...