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How to add pandas data to an existing csv file?
...frames
Solved the problem by forcing all columns in each df to be of type string and then appending this to csv as follows:
with open('testAppend.csv', 'a') as f:
df2.toPandas().astype(str).to_csv(f, header=False)
sha...
How can I list all the deleted files in a Git repository?
... in PowerShell:
git log --find-renames --diff-filter=D --summary | Select-String -Pattern "delete mode" | sort -u > deletions.txt
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Understanding dict.copy() - shallow or deep?
... and dic_b are referencing the same dictionary when you dic_b = dic_a. The strings in the dictionary are immutable but that's irrelevant, because dic_b['A'] = 'Adam' mutates the dictionary itself.
– kennytm
Sep 20 at 17:54
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Assign an initial value to radio button as checked
...he model value in the controller to "true". Watch out that you set it to a string, not a Boolean!
– Thomas David Kehoe
Feb 17 '18 at 23:40
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Stopping an Android app from console
...it.
public class TestActivity extends Activity {
private static final String STOP_COMMAND = "com.example.TestActivity.STOP";
private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
...
Kill process by name?
...t, err = p.communicate()
gives you ps -A's output in the out variable (a string). You can break it down into lines and loop on them...:
>>> for line in out.splitlines():
... if 'iChat' in line:
... pid = int(line.split(None, 1)[0])
... os.kill(pid, signal.SIGKILL)
...
(you ...
ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
...type "cmd" without the quotes. This will launch the terminal. Then type in string as describe here.
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How to declare a global variable in php?
... and integer-initial values as global scope static variables. Any constant strings are defined as such.
define("myconstant", "value");
class globalVars {
static $a = false;
static $b = 0;
static $c = array('first' => 2, 'second' => 5);
}
function test($num) {
if (!glo...
possibly undefined macro: AC_MSG_ERROR
...se I had accidentally quoted the AC_MSG_ERROR so it was being treated as a string:
AX_BOOST_BASE([1.42], [], [AC_MSG_ERROR([Could not find Boost])])
Once I removed the square brackets around the AC_MSG_ERROR macro, it worked:
AX_BOOST_BASE([1.42], [], AC_MSG_ERROR([Could not find Boost]))
Thos...
How to execute mongo commands through shell scripts?
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I had to specify the connection string like mongo <ip>:<port>/db --eval "printjson(db.serverStatus())" or mongo <ip>:<port>/db < mongoCommands.js to prevent it from always connecting to "test"
– dev
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