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Charts for Android [closed]
...oCharts. I attempted to evaluate a few others, but the links are broken. I selected MPAndroidChart because it has good docs and was able to get it imported into my project, and a working skeleton in a few minutes. HelloCharts and HoloGraphLibrary also look good. Although I had a bit of trouble insta...
What is the difference between active and passive FTP?
...part of this, the server also returns to the client the port number it has selected to listen on, so that the client knows how to connect to it.
Once the client knows that, it can then successfully create the data channel and continue.
More details are available in the RFC: https://www.ietf.org/rf...
How to prepare a Unity project for git? [duplicate]
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Take a look at the selected answer above, the step "Enable External option in Unity → Preferences → Packages → Repository" is not necessary on Unity 4.5+
– German
Sep 1 '14 at 18:46
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Clear MySQL query cache without restarting server
...not clear it for me. Also, MySQL server restart does not help. An explicit SELECT SQL_NO_CACHE does the trick, but not RESET QUERY CACHE. sync && echo 3 | sudo tee /proc/sys/vm/drop_caches from the other answer didn't help, too.
– Jānis Elmeris
Aug 24 ...
Changing iframe src with Javascript
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@shinjuo onselect is not the correct attribute to use here. You may want to use onclick - notice though that that won't fire if the user uses their keyboard
– Pekka
Sep 16 '10 at 19:46
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How to reset a single table in rails?
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rails console
irb(main):028:0> ActiveRecord::Base.connection.execute("SELECT SETVAL('accounts_id_seq', 1)")
Where the accounts in the accounts_id_seq is the name of the table.
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RESTful API methods; HEAD & OPTIONS
...e defined by future extensions to HTTP. Content negotiation MAY be used to select the appropriate response format. If no response body is included, the response MUST include a Content-Length field with a field-value of "0".
The Max-Forwards request-header field MAY be used to target a specific proxy...
Dropping Unique constraint from MySQL table
...AINT unq_tab_id UNIQUE(id));
-- checking constraint name if autogenerated
SELECT * FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE TABLE_NAME = 'tab';
-- dropping constraint
ALTER TABLE tab DROP CONSTRAINT unq_tab_id;
db<>fiddle demo
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How to set .net Framework 4.5 version in IIS 7 application pool
...IIS serverwide, but note that it will upgrade all application pools to the selected version.
– Jan Hebnes
Aug 11 '15 at 9:50
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HTML text input allow only numeric input
...x, inputFilter) {
["input", "keydown", "keyup", "mousedown", "mouseup", "select", "contextmenu", "drop"].forEach(function(event) {
textbox.addEventListener(event, function() {
if (inputFilter(this.value)) {
this.oldValue = this.value;
this.oldSelectionStart = this.selecti...